Long, G. G. (1986). Problem exercises for general chemistry (2nd ed.). Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLong, George Gilbert. Problem Exercises for General Chemistry. 2nd ed. New York: Wiley, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLong, George Gilbert. Problem Exercises for General Chemistry. 2nd ed. Wiley, 1986.
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