Ockendon, N., K. Smith, R., V. Dicks, L., & J. Sutherland, W. (2017). What Works in Conservation: 2017. Open Book Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOckendon, Nancy, Rebecca K. Smith, Lynn V. Dicks, और William J. Sutherland. What Works in Conservation: 2017. Open Book Publishers, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOckendon, Nancy, et al. What Works in Conservation: 2017. Open Book Publishers, 2017.
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