APA (7e ed.) Bronvermelding

Boyd, H. W., & Westfall, R. L. (2002). Marketing research; text and cases (Seventh edition.). R. D. Irwin; A.I.T.B.S.

Chicago (17e ed.) Bronvermelding

Boyd, Harper W., en Ralph L. Westfall. Marketing Research; Text and Cases. Seventh edition. Homewood, Ill., Delhi: R. D. Irwin; A.I.T.B.S, 2002.

MLA (8e ed.) Bronvermelding

Boyd, Harper W., en Ralph L. Westfall. Marketing Research; Text and Cases. Seventh edition. R. D. Irwin; A.I.T.B.S, 2002.