Dyfyniad APA

Stacks, D. W. (2011). Primer of public relations research (2nd ed.). The Guilford Press.

Dyfyniad Arddull Chicago

Stacks, Don W. Primer of Public Relations Research. 2nd ed. New York: The Guilford Press, 2011.

Dyfyniad MLA

Stacks, Don W. Primer of Public Relations Research. 2nd ed. The Guilford Press, 2011.

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