[20] Cooper, Allen. The Inmates Are Running the Asylum. Sams Publishing (2004); p. 134.

[21] http://www.washingtonpost.com/wp-dyn/content/article/2005/08/16/AR2005081601906.html

[22] http://books.google.com/books?id=xTMWzXuPqgwC&pg=PA186&lpg=PA186&dq=The+main+shopper+for+the+family+but+usually+avoids+electronics+stores&source=bl&ots=GoCkDNxJpV&sig=u4fvNq17tG8A7S8PgVRQomFrFP0&hl=en&ei=QhloTO7PL8WonAfB6NjBBQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBIQ6AEwAA#v=onepage&q=The%20main%20shopper%20for%20the%20family%20but%20usually%20avoids%20electronics%20stores&f=false

[23] http://archive.mailtribune.com/archive/2005/0822/biz/stories/02biz.htm

[24] http://research.microsoft.com/apps/pubs/default.aspx?id=68469

[25] http://www.ibm.com/developerworks/blogs/page/cognospersonas

[26] http://www.forrester.com/rb/Research/use_personas_to_design_for_engagement/q/id/45717/t/2?src=44421pdf

[27] http://www.microsoft.com/presspass/exec/rbach/05-16-05e3.mspx

[28] Compare this to theories expressed in the article, “The Personas’ New Clothes: Methodological and Practical Arguments against a Popular Method,” by Christopher N. Chapman and Russell P. Milham (Microsoft, Redmond, WA: 2006; http://cnchapman.files.wordpress.com/2007/03/chapman-milham-personas-hfes2006-0139-0330.pdf).

[29] Long, F. “Real or Imaginary: The Effectiveness of Using Personas in Product Design.” Proceedings of the Irish Ergonomics Society Annual Conference (Dublin), May 2009, pp. 1–10.

[30] http://www.jimnovo.com/profiles.htm

[31] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1297495/pdf/neh106.pdf

[32] http://books.google.com/books?id=GB4o-wqeyzAC&pg=PA5&lpg=PA5&dq=In+190+AD,+Galen+Sanguine&source=bl&ots=eBN6QnS84J&sig=1OnsmyirX_NMwtU06bC7MQyxj54&hl=en&ei=nzhoTKz7MsH6nAeo-7zCBQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBQQ6AEwADgK#v=onepage&q=In%20190%20AD%2C%20Galen%20Sanguine&f=false

[33] Rothgeb, C.L. (Ed.) Abstracts of the Collected Works of C.G. Jung. H. Karnac (Books) Ltd. (1992); p. 33.

[34] Dunning, D. Quick Guide to the Four Temperaments and Learning: Practical Tools and Strategies for Enhancing Learning Effectiveness. Telos Publications (2003); p. 2.

[35] Wysocki, R.K., and J.P. Lewis. The World Class Project Manager: A Professional Development Guide. Basic Books (2001); p. 115.

[36] Laplante, P.A., and C.J. Neill. Antipatterns: Identification, Refactoring, and Management. CRC Press (2006), p. 18.

[37] Johnson, D.P. Sustaining Change in Schools: How to Overcome Differences and Focus on Quality. Association for Supervision and Curriculum Development (2005), p. 23.

[38] The World Class Project Manager, p. 114.