APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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