Dyfyniad APA

Phelps, D., & Howsad westing J. (1960). Marketing management. Richard Irwin Inc.

Dyfyniad Arddull Chicago

Phelps, D.M, and Howsad westing J. Marketing Management. Homewood: Richard Irwin Inc, 1960.

Dyfyniad MLA

Phelps, D.M, and Howsad westing J. Marketing Management. Richard Irwin Inc, 1960.

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