Cooper, B., & Vlaskovits, P. (2010). The Entrepreneur's guide to customer development: A "cheat sheet" to The Four Steps to the Epiphany. Brant Cooper & Patrick Vlaskovits.
Chicago Style (17th ed.) CitationCooper, Brant, and Patrick Vlaskovits. The Entrepreneur's Guide to Customer Development: A "Cheat Sheet" to The Four Steps to the Epiphany. [s.l.]: Brant Cooper & Patrick Vlaskovits, 2010.
MLA (9th ed.) CitationCooper, Brant, and Patrick Vlaskovits. The Entrepreneur's Guide to Customer Development: A "Cheat Sheet" to The Four Steps to the Epiphany. Brant Cooper & Patrick Vlaskovits, 2010.
Warning: These citations may not always be 100% accurate.