Wilcox, D. L. (2009). Public relations writing and media techniques (6th ed.). Person, Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Wilcox, Dennis L. Public Relations Writing and Media Techniques. 6th ed. Boston, USA: Person, Allyn and Bacon, 2009.
Lua MLA (9ú heag.)Wilcox, Dennis L. Public Relations Writing and Media Techniques. 6th ed. Person, Allyn and Bacon, 2009.
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