Παραπομπή APA

Blake, T. (2005). Championship selling: A blueprint for winning with today's customer. Ontario: John wiley & sons.

Παραπομπή Chicago Style

Blake, Tom. Championship Selling: A Blueprint for Winning With Today's Customer. Ontario: John wiley & sons, 2005.

Παραπομπή MLA

Blake, Tom. Championship Selling: A Blueprint for Winning With Today's Customer. Ontario: John wiley & sons, 2005.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.