APA (7e ed.) Bronvermelding

KELLEY, E. J. (1976). Marketing Planning And Competitive Strategy Eugene J. Kelley. Prentice- hall of India.

Chicago (17e ed.) Bronvermelding

KELLEY, Eugene J. Marketing Planning And Competitive Strategy Eugene J. Kelley. Prentice- hall of India, 1976.

MLA (8e ed.) Bronvermelding

KELLEY, Eugene J. Marketing Planning And Competitive Strategy Eugene J. Kelley. Prentice- hall of India, 1976.

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