Collen, B. (2013). Biodiversity monitoring and conservation: Bridging the gap between global commitment and local action. John Wiley & Sons Inc.. https://doi.org/10.1002/9781118490747
Παραπομπή σε μορφή Chicago (17η εκδ.)Collen, Ben. Biodiversity Monitoring and Conservation: Bridging the Gap Between Global Commitment and Local Action. Chichester, West Sussex, UK: John Wiley & Sons Inc., 2013. https://doi.org/10.1002/9781118490747.
Παραπομπή σε μορφή MLA (8th εκδ.)Collen, Ben. Biodiversity Monitoring and Conservation: Bridging the Gap Between Global Commitment and Local Action. John Wiley & Sons Inc., 2013. https://doi.org/10.1002/9781118490747.
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