APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Collen, B. (2013). Biodiversity monitoring and conservation: Bridging the gap between global commitment and local action. Wiley-Blackwell : ZSL.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Ben Collen. Biodiversity Monitoring and Conservation: Bridging the Gap Between Global Commitment and Local Action. Chichester, West Sussex, U.K.: Wiley-Blackwell : ZSL, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Ben Collen. Biodiversity Monitoring and Conservation: Bridging the Gap Between Global Commitment and Local Action. Wiley-Blackwell : ZSL, 2013.
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