Cita APA (7a ed.)
Jefkins, F. (1990). <The> Secrets of Successful Direct Response Marketing (1. ed.). Heinemann Profesional Pub.
Cita Chicago Style (17a ed.)
Jefkins, Frank. <The> Secrets of Successful Direct Response Marketing. 1. ed. Oxford: Heinemann Profesional Pub, 1990.
Cita MLA (9a ed.)
Jefkins, Frank. <The> Secrets of Successful Direct Response Marketing. 1. ed. Heinemann Profesional Pub, 1990.
Precaución: Estas citas no son 100% exactas.