Dyfyniad APA

Bly, R. W. (2020). The copywriter's handbook (4th edition.). Henry Holt & Co.

Dyfyniad Arddull Chicago

Bly, Robert W. The Copywriter's Handbook. 4th edition. New York: Henry Holt & Co, 2020.

Dyfyniad MLA

Bly, Robert W. The Copywriter's Handbook. 4th edition. Henry Holt & Co, 2020.

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