Cita APA (7th ed.)
Cooper, B., Vlaskovits, P., & Blank, S. G. The Entrepreneur's Guide to Customer Development: A Cheat Sheet to The Four Steps to the Epiphany. Product and Market Development.
Cita Chicago (17th ed.)
Cooper, Brant, Patrick Vlaskovits, i Steven Gary Blank. The Entrepreneur's Guide to Customer Development: A Cheat Sheet to The Four Steps to the Epiphany. lugar de publicación no identificado: Product and Market Development.
Cita MLA (9th ed.)
Cooper, Brant, et al. The Entrepreneur's Guide to Customer Development: A Cheat Sheet to The Four Steps to the Epiphany. Product and Market Development.
Atenció: Aquestes cites poden no estar 100% correctes.