Gaya APA

Hoover, J., Sparkman, B. (2006). How to sell to an Idiot : 12 Steps to selling anything to Anyone / John Hoover, Bill Sparkman . New Jersey: Willey.

Gaya MLA

Hoover, John., Sparkman, Bill.. "How to sell to an Idiot : 12 Steps to selling anything to Anyone / John Hoover, Bill Sparkman". New Jersey: Willey, 2006. Buku.