Dyfyniad APA

Rachman, D. J., & Elaine Kotary Romano. (1980). Modern marketing. The Dryden.

Dyfyniad Arddull Chicago

Rachman, David J., and Elaine Kotary Romano. Modern Marketing. Illinois: The Dryden, 1980.

Dyfyniad MLA

Rachman, David J., and Elaine Kotary Romano. Modern Marketing. The Dryden, 1980.

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