Moore, H. F., & Canfield, B. R. (1977). Public relations: Principles, cases, and problems (7th ed.). R. D. Irwin.
Citazione stile Chigago Style (17a edizione)Moore, H. Frazier, e Bertrand R. Canfield. Public Relations: Principles, Cases, and Problems. 7th ed. Homewood, Ill.: R. D. Irwin, 1977.
Citatione MLA (8a ed.)Moore, H. Frazier, e Bertrand R. Canfield. Public Relations: Principles, Cases, and Problems. 7th ed. R. D. Irwin, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.