Dyfyniad APA

Hartley, R. F. (2006). Marketing Mistakes and Successes (3rd ed.). John Wiley & Sons, Inc.

Dyfyniad Arddull Chicago

Hartley, Robert F. Marketing Mistakes and Successes. 3rd ed. San Francisco: John Wiley & Sons, Inc, 2006.

Dyfyniad MLA

Hartley, Robert F. Marketing Mistakes and Successes. 3rd ed. John Wiley & Sons, Inc, 2006.

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