Lawrence, M., & Johnson, S. (1998). If you're not out selling, you're being outsold. New York: John Wiley & Sons.
Stile di citazione ChicagoLawrence, Michael, e Steve Johnson. If You're Not Out Selling, You're Being Outsold. New York: John Wiley & Sons, 1998.
Citazione MLALawrence, Michael, e Steve Johnson. If You're Not Out Selling, You're Being Outsold. New York: John Wiley & Sons, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.