Optner, S. L. (1975). System analysis for business management (3rd ed.). Prentice-Hall of India.
शिकागो स्टाइल उद्धरणOptner, Stanford L. System Analysis for Business Management. 3rd ed. New Jersey: Prentice-Hall of India, 1975.
एमएलए उद्धरणOptner, Stanford L. System Analysis for Business Management. 3rd ed. Prentice-Hall of India, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.