Hill, J. W. (2007). Chemistry for changing times. Upper Saddle River, NJ: Pearson Prentice Hall.
शिकागो स्टाइल उद्धरणHill, John William. Chemistry for Changing Times. Upper Saddle River, NJ: Pearson Prentice Hall, 2007.
एमएलए उद्धरणHill, John William. Chemistry for Changing Times. Upper Saddle River, NJ: Pearson Prentice Hall, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.