Dyfyniad APA
Loudon, D. L., & Della Bitta, A. J. (1993). Consumer behavior: Concepts and applications (4th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Loudon, David L., and Albert J. Della Bitta. Consumer Behavior: Concepts and Applications. 4th ed. New York: McGraw-Hill, 1993.
Dyfyniad MLA
Loudon, David L., and Albert J. Della Bitta. Consumer Behavior: Concepts and Applications. 4th ed. McGraw-Hill, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.