APA (7th ed.) Zitazioa

Cundiff, E. W. Fundamentals of modern marketing. Prentice- Hall.

Chicago Style (17th ed.) Zitazioa

Cundiff, Edward W. Fundamentals of Modern Marketing. N. J.: Prentice- Hall.

MLA (9th ed.) Zitazioa

Cundiff, Edward W. Fundamentals of Modern Marketing. Prentice- Hall.