Cita APA (7th ed.)

St. Lawrence, M., & Johnson, S. (1998). If you're not out selling, you're being outsold. JOHN WILEY & SONS, INC..

Cita Chicago (17th ed.)

St. Lawrence, Michael, i Steve Johnson. If You're Not Out Selling, You're Being Outsold. New York, Chichester, Weinheim, Brisbane, Singapore, Toronto: JOHN WILEY & SONS, INC., 1998.

Cita MLA (9th ed.)

St. Lawrence, Michael, i Steve Johnson. If You're Not Out Selling, You're Being Outsold. JOHN WILEY & SONS, INC., 1998.