RUSSELL, J. T. (1996). Kleppner's Advertising Procedure. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)RUSSELL, J. Thomas. Kleppner's Advertising Procedure. Prentice Hall, 1996.
Lua MLA (8ú heag.)RUSSELL, J. Thomas. Kleppner's Advertising Procedure. Prentice Hall, 1996.
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