Haas, K. B. (1957). How to develop successful salesmen. Tata Mc Grow-Hill.
Chicago Style citaatHaas, Kenneth. B. How to Develop Successful Salesmen. New Delhi: Tata Mc Grow-Hill, 1957.
MLA citatieHaas, Kenneth. B. How to Develop Successful Salesmen. Tata Mc Grow-Hill, 1957.
Let op: Deze citaties zijn niet altijd 100% accuraat.