APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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