APA استشهاد

Toousley, R. D. e., & Armstrong, G. (1962). Principles of Marketing.

استشهاد بنمط شيكاغو

Toousley, Rayburn D,. etc, و Gary Armstrong. Principles of Marketing. :, 1962.

MLA استشهاد

Toousley, Rayburn D,. etc, و Gary Armstrong. Principles of Marketing. 1962.