Citazione Stile APA (7a Edizione)

Clark, F. E., & Clark, C. P. (1947). Principles of marketing (3rd ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Clark, Fred E., e Carrie Patton Clark. Principles of Marketing. 3rd ed. N.Y.: Macmillan, 1947.

Citatione MLA (8a ed.)

Clark, Fred E., e Carrie Patton Clark. Principles of Marketing. 3rd ed. Macmillan, 1947.