Dyfyniad APA

Russell, T., Verrill, G., Lane, W. R., & Kleppner, O. (1988). Kleppner's advertising procedure (Tenth edition.). JMC Press.

Dyfyniad Arddull Chicago

Russell, Thomas, Glenn Verrill, W. Ronald Lane, and Otto Kleppner. Kleppner's Advertising Procedure. Tenth edition. Quezon City: JMC Press, 1988.

Dyfyniad MLA

Russell, Thomas, et al. Kleppner's Advertising Procedure. Tenth edition. JMC Press, 1988.

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