The Science of Sales Success: A Proven System for High-Profit, Repeatable Results
APA
COSTELL (Josh), . (2007). The Science of Sales Success: A Proven System for High-Profit, Repeatable Results. New Delhi: Prentice Hall of India New Delhi.
Chicago
COSTELL (Josh), . 2007. The Science of Sales Success: A Proven System for High-Profit, Repeatable Results. New Delhi: Prentice Hall of India New Delhi.
Harvard
COSTELL (Josh), . (2007). The Science of Sales Success: A Proven System for High-Profit, Repeatable Results. New Delhi: Prentice Hall of India New Delhi.
MLA
COSTELL (Josh), . The Science of Sales Success: A Proven System for High-Profit, Repeatable Results. New Delhi: Prentice Hall of India New Delhi. 2007.