Dyfyniad APA

Kegel , C. . .., & Stevens, M. . .. (1959). Communication principles and practice (1.). Wadswath publishing co..

Dyfyniad Arddull Chicago

Kegel , Charles.H ., and Martin Stevens. Communication Principles and Practice. 1. Sanfrancisco: Wadswath publishing co., 1959.

Dyfyniad MLA

Kegel , Charles.H ., and Martin Stevens. Communication Principles and Practice. 1. Wadswath publishing co., 1959.

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