Bellamy, D. (1985). Conservation review: The conservation foundations third review. Webb and Bower.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBellamy, David. Conservation Review: The Conservation Foundations Third Review. England: Webb and Bower, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBellamy, David. Conservation Review: The Conservation Foundations Third Review. Webb and Bower, 1985.
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