APA (7th ed.) Zitazioa

Engel, J. F. (1968). Consumer behavior: Selected readings. Richard D. Irwin.

Chicago Style (17th ed.) Zitazioa

Engel, James F. Consumer Behavior: Selected Readings. Homewood: Richard D. Irwin, 1968.

MLA (9th ed.) Zitazioa

Engel, James F. Consumer Behavior: Selected Readings. Richard D. Irwin, 1968.