Gaya APA

Guth, D, W., Marsh, C. (2012). Public relations : a value-driven approach (5th.ed.). Boston: Allyn & Bacon.

Gaya MLA

Guth, David, W.., Marsh, Charles. "Public relations : a value-driven approach". 5th.ed. Boston: Allyn & Bacon, 2012. Teks.