Citazione Stile APA (7a Edizione)

Guth,David, & Marsh,Charles. (2017). Public relations: A values-driven approach (6th.). Pearson.

Citazione stile Chigago Style (17a edizione)

Guth,David, e Marsh,Charles. Public Relations: A Values-driven Approach. 6th. New York: Pearson, 2017.

Citatione MLA (9a ed.)

Guth,David, e Marsh,Charles. Public Relations: A Values-driven Approach. 6th. Pearson, 2017.