Lua APA (7ú heag.)
Cutlip, S. M., & Center, A. H. (1978). Effective public relations (5th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)
Cutlip, Scott M., agus Allen H. Center. Effective Public Relations. 5th ed. New Jersey: Prentice-Hall, 1978.
Lua MLA (9ú heag.)
Cutlip, Scott M., agus Allen H. Center. Effective Public Relations. 5th ed. Prentice-Hall, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.