Παραπομπή APA
Park, W. R., & Chapin-Park, S. (1978). How to succeed in your own business. New York: Wiley.
Παραπομπή Chicago StylePark, William R., and Sue Chapin-Park. How to Succeed in Your Own Business. New York: Wiley, 1978.
Παραπομπή MLAPark, William R., and Sue Chapin-Park. How to Succeed in Your Own Business. New York: Wiley, 1978.
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