APA استشهاد

Engel, J. F., & Kollat, D. T. B. Consumer behaviour. Holt, Rinehart and Winston, INC.

استشهاد بنمط شيكاغو

Engel, James F., و David T. Blackwell Kollat. Consumer Behaviour. New York: Holt, Rinehart and Winston, INC.

MLA استشهاد

Engel, James F., و David T. Blackwell Kollat. Consumer Behaviour. Holt, Rinehart and Winston, INC.