Simon, R. (1980). Public Relations: Concepts and Practices (2nd ed.). Grid.
Chicago ZitierstilSimon, Raymond. Public Relations: Concepts and Practices. 2nd ed. Columbus: Grid, 1980.
MLA ZitierstilSimon, Raymond. Public Relations: Concepts and Practices. 2nd ed. Grid, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.