Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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