Walter, W. G. (1967). Standard methods for examination of dairy products (12a. ed.). American Public Health Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalter, William G. Standard Methods for Examination of Dairy Products. 12a. ed. Nueva York: American Public Health Association, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWalter, William G. Standard Methods for Examination of Dairy Products. 12a. ed. American Public Health Association, 1967.
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