Blake, T. (2005). Championship selling: A blueprint for winning with today's customer. Ontario: John wiley & sons.
Stile di citazione ChicagoBlake, Tom. Championship Selling: A Blueprint for Winning With Today's Customer. Ontario: John wiley & sons, 2005.
Citazione MLABlake, Tom. Championship Selling: A Blueprint for Winning With Today's Customer. Ontario: John wiley & sons, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.