Hai, D. T. (2011). Ecology, behavior and convservation of the tonkin snub-nosed monkey (Rhinopithecus avunclus) in Vietnam. s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHai, Dong Thanh. Ecology, Behavior and Convservation of the Tonkin Snub-nosed Monkey (Rhinopithecus Avunclus) in Vietnam. [S.I.: s.n.], 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHai, Dong Thanh. Ecology, Behavior and Convservation of the Tonkin Snub-nosed Monkey (Rhinopithecus Avunclus) in Vietnam. s.n.], 2011.
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