APA (7e ed.) Bronvermelding

SILK ALVIN J. (2006). WHAT IS MARKETING. HARVARD BUSINESS SCHOOL PRESS.

Chicago (17e ed.) Bronvermelding

SILK ALVIN J. WHAT IS MARKETING. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2006.

MLA (9e ed.) Bronvermelding

SILK ALVIN J. WHAT IS MARKETING. HARVARD BUSINESS SCHOOL PRESS, 2006.

Let op: Deze citaties zijn niet altijd 100% accuraat.