Haas, K. B. (1957). How to develop successful salesmen. Tata McGraw Hill.
Chicago Edition CitationHaas, Kenneth B. How to Develop Successful Salesmen. New Delhi: Tata McGraw Hill, 1957.
Cita MLAHaas, Kenneth B. How to Develop Successful Salesmen. Tata McGraw Hill, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.