Dyfyniad APA

Ross, R. D. (1977). The Management of Public Relations. Wiley Eastern.

Dyfyniad Arddull Chicago

Ross, Robert Davis. The Management of Public Relations. New York: Wiley Eastern, 1977.

Dyfyniad MLA

Ross, Robert Davis. The Management of Public Relations. Wiley Eastern, 1977.

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