Darrow, R. . W. (1967). Public relations handbook. The Dartness Corporation.
Chicago Edition CitationDarrow, Richard W. Public Relations Handbook. London: The Dartness Corporation, 1967.
Cita MLADarrow, Richard W. Public Relations Handbook. The Dartness Corporation, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.