APA-referens (7:e uppl.)

McFarland, K. (2008). The Breakthrough Company. Crown Business.

Chicago-referens (17:e uppl.)

McFarland, Keith. The Breakthrough Company. New York: Crown Business, 2008.

MLA-referens (9:e uppl.)

McFarland, Keith. The Breakthrough Company. Crown Business, 2008.