Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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