Dyfyniad APA

Aronson, M., & Spetner, D. (1993). The public relations writer's handbook. Lexington Books.

Dyfyniad Arddull Chicago

Aronson, Merry, and Don Spetner. The Public Relations Writer's Handbook. New York: Lexington Books, 1993.

Dyfyniad MLA

Aronson, Merry, and Don Spetner. The Public Relations Writer's Handbook. Lexington Books, 1993.

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