WEILBACHER WILLIAM M. (1981). CASES IN ADVERTISING. MACMILLAN.
Lua i Stíl Chicago (17ú heag.)WEILBACHER WILLIAM M. CASES IN ADVERTISING. NEW YORK: MACMILLAN, 1981.
Lua MLA (9ú heag.)WEILBACHER WILLIAM M. CASES IN ADVERTISING. MACMILLAN, 1981.
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