Citazione Stile APA (7a Edizione)

Harvey, C. (1992). Successful selling in a week. Hodder and Stoughton.

Citazione stile Chigago Style (17a edizione)

Harvey, Christine. Successful Selling in a Week. London: Hodder and Stoughton, 1992.

Citatione MLA (9a ed.)

Harvey, Christine. Successful Selling in a Week. Hodder and Stoughton, 1992.