Harlan, G., & Scott, A. (1956). Contemporary public relations: Principles and cases. Englewood Cliffs, N.J: Prentice-Hall.
Παραπομπή Chicago StyleHarlan, Gene, and Alan Scott. Contemporary Public Relations: Principles and Cases. Englewood Cliffs, N.J: Prentice-Hall, 1956.
Παραπομπή MLAHarlan, Gene, and Alan Scott. Contemporary Public Relations: Principles and Cases. Englewood Cliffs, N.J: Prentice-Hall, 1956.
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