Gorton, K. (1983). Low-cost marketing research: A guide for small businesses. Wiley.
Citazione stile Chigago Style (17a edizione)Gorton, Keith. Low-cost Marketing Research: A Guide for Small Businesses. Chichester: Wiley, 1983.
Citatione MLA (9a ed.)Gorton, Keith. Low-cost Marketing Research: A Guide for Small Businesses. Wiley, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.