APA استشهاد

Wells, W. E. (2007). Advertising: Principles and practice (7th ed.). PHI.

استشهاد بنمط شيكاغو

Wells, William Etc. Advertising: Principles and Practice. 7th ed. New Delhi: PHI, 2007.

MLA استشهاد

Wells, William Etc. Advertising: Principles and Practice. 7th ed. PHI, 2007.