NTC BUSINESS BOOKS. (1987). ART OF WRITING ADVERTISING. NTC BUSINESS BOOKS.
Chicago-viite (17. p.)NTC BUSINESS BOOKS. ART OF WRITING ADVERTISING. ILLINOIS: NTC BUSINESS BOOKS, 1987.
MLA-viite (9. p.)NTC BUSINESS BOOKS. ART OF WRITING ADVERTISING. NTC BUSINESS BOOKS, 1987.
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