MANDELL, M. I. Advertising#Maurice I. Mandell. Prentice hall.
Lua i Stíl Chicago (17ú heag.)MANDELL, Maurice I. Advertising#Maurice I. Mandell. Prentice hall.
Lua MLA (8ú heag.)MANDELL, Maurice I. Advertising#Maurice I. Mandell. Prentice hall.
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