APA (7th ed.) Citation
Jefkins, F. (1990). <The> Secrets of Successful Direct Response Marketing (1. ed.). Heinemann Profesional Pub.
Chicago Style (17th ed.) Citation
Jefkins, Frank. <The> Secrets of Successful Direct Response Marketing. 1. ed. Oxford: Heinemann Profesional Pub, 1990.
MLA (9th ed.) Citation
Jefkins, Frank. <The> Secrets of Successful Direct Response Marketing. 1. ed. Heinemann Profesional Pub, 1990.
Warning: These citations may not always be 100% accurate.