Weilbacher, W. M. (1983). Choosing an advertising agency. National Textbook Co.
Chicago Style aipamenaWeilbacher, William M. Choosing an Advertising Agency. Lincolnwood, Ill: National Textbook Co, 1983.
MLA aipamenaWeilbacher, William M. Choosing an Advertising Agency. National Textbook Co, 1983.
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