Bly, R. (1990). The copywriter's handbook: A step-by-step guide to writing copy that sells (1st Owl book ed.). Holt.
Cita Chicago Style (17a ed.)Bly, Robert. The Copywriter's Handbook: A Step-by-step Guide to Writing Copy That Sells. 1st Owl book ed. New York: Holt, 1990.
Cita MLA (9a ed.)Bly, Robert. The Copywriter's Handbook: A Step-by-step Guide to Writing Copy That Sells. 1st Owl book ed. Holt, 1990.
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