Williams, D. H. (1967). Spectroscopic problems in organic chemistry. McGraw-Hill Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Dudley H. Spectroscopic Problems in Organic Chemistry. London: McGraw-Hill Publishing, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliams, Dudley H. Spectroscopic Problems in Organic Chemistry. McGraw-Hill Publishing, 1967.
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