Dyfyniad APA

Loudon, D. L., & Bitta, A. J. D. (1993). Consumer Behavior (4th ed.). McGraw Hill Education.

Dyfyniad Arddull Chicago

Loudon, David L., and Albert J Della Bitta. Consumer Behavior. 4th ed. Chennai: McGraw Hill Education, 1993.

Dyfyniad MLA

Loudon, David L., and Albert J Della Bitta. Consumer Behavior. 4th ed. McGraw Hill Education, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.