Stephenson, H. (1971). Handbook of public relations: The standard guide to public affairs and communications (2nd ed.). McGraw-Hill.
Παραπομπή Chicago StyleStephenson, Howard. Handbook of Public Relations: The Standard Guide to Public Affairs and Communications. 2nd ed. New York: McGraw-Hill, 1971.
Παραπομπή MLAStephenson, Howard. Handbook of Public Relations: The Standard Guide to Public Affairs and Communications. 2nd ed. McGraw-Hill, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.