Hastings, P. G. (1974). Introduction to buisness (2nd ed.). McGraw-Hill.
शिकागो स्टाइल उद्धरणHastings, Paul Guiler. Introduction to Buisness. 2nd ed. New York: McGraw-Hill, 1974.
एमएलए उद्धरणHastings, Paul Guiler. Introduction to Buisness. 2nd ed. McGraw-Hill, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.