Dyfyniad APA
Cravens, D. W. (1997). Strategic marketing (5th ed.). Irwin McGraw Hill.
Dyfyniad Arddull Chicago
Cravens, David W. Strategic Marketing. 5th ed. Chicago ; Boston: Irwin McGraw Hill, 1997.
Dyfyniad MLA
Cravens, David W. Strategic Marketing. 5th ed. Irwin McGraw Hill, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.