Lawrence, M., & Johnson, S. (1998). If you're not out selling, you're being outsold. New York: John Wiley & Sons.
Style de citation ChicagoLawrence, Michael, et Steve Johnson. If You're Not Out Selling, You're Being Outsold. New York: John Wiley & Sons, 1998.
Style de citation MLALawrence, Michael, et Steve Johnson. If You're Not Out Selling, You're Being Outsold. New York: John Wiley & Sons, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.