Nag, N. K. (1994). Business mathematic and statistics Part 1 (3.). Kalyani Publishers.
शिकागो स्टाइल उद्धरणNag, N K. Business Mathematic and Statistics Part 1. 3. Ludhiana: Kalyani Publishers, 1994.
एमएलए उद्धरणNag, N K. Business Mathematic and Statistics Part 1. 3. Kalyani Publishers, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.