Citazione APA

Green, P. E. e. a., Tull,Donald S, & Albaum, G. (1988). Research for marketing decisions (5th ed.). Prentice Hall of India.

Stile di citazione Chicago

Green, Paul E et al, Tull,Donald S, e Gerald Albaum. Research for Marketing Decisions. 5th ed. New Delhi: Prentice Hall of India, 1988.

Citazione MLA

Green, Paul E et al, et al. Research for Marketing Decisions. 5th ed. Prentice Hall of India, 1988.