Cutlip, S. M., Broom, G. M., & Center, A. H. (1985). Effective public relations (6th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Cutlip, Scott M., Glen M. Broom, agus Allen H. Center. Effective Public Relations. 6th ed. Englewood Cliffs, N.J: Prentice-Hall, 1985.
Lua MLA (9ú heag.)Cutlip, Scott M., et al. Effective Public Relations. 6th ed. Prentice-Hall, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.