Dyfyniad APA

NTC BUSINESS BOOKS. (1987). ART OF WRITING ADVERTISING. NTC BUSINESS BOOKS.

Dyfyniad Arddull Chicago

NTC BUSINESS BOOKS. ART OF WRITING ADVERTISING. ILLINOIS: NTC BUSINESS BOOKS, 1987.

Dyfyniad MLA

NTC BUSINESS BOOKS. ART OF WRITING ADVERTISING. NTC BUSINESS BOOKS, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.