Ellis, B. D. (1974). Man and his environment. La Trobe University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllis, B. D. Man and His Environment. Bundoora, Vic.: La Trobe University, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEllis, B. D. Man and His Environment. La Trobe University, 1974.
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