Sielaff, T. J., & Aberle, J. W. (1969). Introduction to business: American enterprise in action. California: Wadsworth Publishing company.
शिकागो स्टाइल उद्धरणSielaff, Theodore J., और John W. Aberle. Introduction to Business: American Enterprise in Action. California: Wadsworth Publishing company, 1969.
एमएलए उद्धरणSielaff, Theodore J., और John W. Aberle. Introduction to Business: American Enterprise in Action. California: Wadsworth Publishing company, 1969.
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