Heys, H. (1960). An introduction to electronic theory of organic compounds. George G. Harrap.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeys, H.L. An Introduction to Electronic Theory of Organic Compounds. London: George G. Harrap, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHeys, H.L. An Introduction to Electronic Theory of Organic Compounds. George G. Harrap, 1960.
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