APA-referens (7:e uppl.)

Calkins, T. (2012). Breakthrough Marketing Plans (2nd.). Palgrave Macmillan.

Chicago-referens (17:e uppl.)

Calkins, Tim. Breakthrough Marketing Plans. 2nd. New York: Palgrave Macmillan, 2012.

MLA-referens (9:e uppl.)

Calkins, Tim. Breakthrough Marketing Plans. 2nd. Palgrave Macmillan, 2012.