Alvarez, R. S. (1974). Good Public Relations; A By-Product of Responsible Services.
Citazione stile Chigago Style (17a edizione)Alvarez, Robert S. Good Public Relations; A By-Product of Responsible Services. 1974.
Citatione MLA (9a ed.)Alvarez, Robert S. Good Public Relations; A By-Product of Responsible Services. 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.