JOHN, M. (1997). Advertising And Promotion Industry. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)JOHN, Maggie. Advertising And Promotion Industry. Prentice-Hall, 1997.
Lua MLA (8ú heag.)JOHN, Maggie. Advertising And Promotion Industry. Prentice-Hall, 1997.
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