Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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