Benn, A. (1982). The 23 most common mistakes in public relations. National Book Store.
Chicago-referens (17:e uppl.)Benn, Alec. The 23 Most Common Mistakes in Public Relations. Manila: National Book Store, 1982.
MLA-referens (9:e uppl.)Benn, Alec. The 23 Most Common Mistakes in Public Relations. National Book Store, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.