Stacks, D. W. (2010). A practitioner's guide to public relations research, measurement, and evaluation. Business Expert Press.
Lua i Stíl Chicago (17ú heag.)Stacks, Don W. A Practitioner's Guide to Public Relations Research, Measurement, and Evaluation. Business Expert Press, 2010.
Lua MLA (8ú heag.)Stacks, Don W. A Practitioner's Guide to Public Relations Research, Measurement, and Evaluation. Business Expert Press, 2010.
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