Sheth, J. K. (2011). Wiley international encyclopaedia of marketing: Vol.2 Marketing Resesarch.
Chicago Style aipamenaSheth, Jagadish Kamakura. Wiley International Encyclopaedia of Marketing: Vol.2 Marketing Resesarch. John Wiley and Sons, 2011.
MLA aipamenaSheth, Jagadish Kamakura. Wiley International Encyclopaedia of Marketing: Vol.2 Marketing Resesarch. 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.