Dyfyniad APA
Valladares, J. A. (2000). The craft of copywriting. Response Books.
Dyfyniad Arddull Chicago
Valladares, June A. The Craft of Copywriting. New Delhi ; Thousand Oaks, Calif.: Response Books, 2000.
Dyfyniad MLA
Valladares, June A. The Craft of Copywriting. Response Books, 2000.
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