Cita APA (7a ed.)

Lambert, B. (2010). 10 steps to successful sales (1st edition.). American Society for Training & Development.

Cita Chicago Style (17a ed.)

Lambert, Brian. 10 Steps to Successful Sales. 1st edition. Danvers, MA: American Society for Training & Development, 2010.

Cita MLA (9a ed.)

Lambert, Brian. 10 Steps to Successful Sales. 1st edition. American Society for Training & Development, 2010.