Dyfyniad APA

Valladers, J. A. (2000). The craft of copywriting. Response Books.

Dyfyniad Arddull Chicago

Valladers, June A. The Craft of Copywriting. New Delhi: Response Books, 2000.

Dyfyniad MLA

Valladers, June A. The Craft of Copywriting. Response Books, 2000.

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