APA (7e ed.) Bronvermelding

WILLSMER RAY. (1984). BASIC ART OF MARKETING (2ND.). BUSINESS PUBLICATION.

Chicago (17e ed.) Bronvermelding

WILLSMER RAY. BASIC ART OF MARKETING. 2ND. LONDON: BUSINESS PUBLICATION, 1984.

MLA (9e ed.) Bronvermelding

WILLSMER RAY. BASIC ART OF MARKETING. 2ND. BUSINESS PUBLICATION, 1984.

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