Dyfyniad APA

Westley Bruce. (1989). Research methods in mass communication (2nd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Westley Bruce. Research Methods in Mass Communication. 2nd ed. New York: Prentice-Hall, 1989.

Dyfyniad MLA

Westley Bruce. Research Methods in Mass Communication. 2nd ed. Prentice-Hall, 1989.

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