Dyfyniad APA

Seehafer, E. F., & Laemmar, J. W. (1959). Successful television and radio advertising. McGraw-Hill.

Dyfyniad Arddull Chicago

Seehafer, Eugene Fred, and Jack William Laemmar. Successful Television and Radio Advertising. New York: McGraw-Hill, 1959.

Dyfyniad MLA

Seehafer, Eugene Fred, and Jack William Laemmar. Successful Television and Radio Advertising. McGraw-Hill, 1959.

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