Moore, H. F., & Canfield, B. R. (1977). Public relations: Principles, cases, and problems (7th ed.). R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Moore, H. Frazier, agus Bertrand R. Canfield. Public Relations: Principles, Cases, and Problems. 7th ed. Homewood, Ill: R. D. Irwin, 1977.
Lua MLA (9ú heag.)Moore, H. Frazier, agus Bertrand R. Canfield. Public Relations: Principles, Cases, and Problems. 7th ed. R. D. Irwin, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.