Arens, W. F. (2004). Contemporary advertising ed.9William Arens. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Arens, William F. Contemporary Advertising Ed.9William Arens. McGraw-Hill, 2004.
Lua MLA (8ú heag.)Arens, William F. Contemporary Advertising Ed.9William Arens. McGraw-Hill, 2004.
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