Berger, A. A. (1998). Media research techniques (2nd ed.). Sage Publications.
Chicago Edition CitationBerger, Arthur Asa. Media Research Techniques. 2nd ed. California: Sage Publications, 1998.
Cita MLABerger, Arthur Asa. Media Research Techniques. 2nd ed. Sage Publications, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.