Dyfyniad APA

Kerin, R. A., & Peterson, R. A. (1998). Strategic marketing problems: Cases and comments (8th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Kerin, Roger A., and Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 8th ed. Upper Saddle River, N.J: Prentice Hall, 1998.

Dyfyniad MLA

Kerin, Roger A., and Robert A. Peterson. Strategic Marketing Problems: Cases and Comments. 8th ed. Prentice Hall, 1998.

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