APA (7e ed.) Bronvermelding

Gorton, K. (1983). Low-cost marketing research: A guide for small businesses. Wiley.

Chicago (17e ed.) Bronvermelding

Gorton, Keith. Low-cost Marketing Research: A Guide for Small Businesses. Chichester: Wiley, 1983.

MLA (9e ed.) Bronvermelding

Gorton, Keith. Low-cost Marketing Research: A Guide for Small Businesses. Wiley, 1983.

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