↑ Duckworth, J.W., Steinmetz, R., Timmins, R.J., Pattanavibool, A., Than Zaw, Do Tuoc, Hedges, S. (2008). "Bos gaurus". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature.
↑ Lynam, A. J., Round, P. and Brockelman, W. Y. (2006). Status of birds and large mammals of the Dong Phayayen-Khao Yai Forest Complex, Thailand. Biodiversity Research and Training Program and Wildlife Conservation Society, Bangkok, Thailand.
↑ Tordoff, A. W., Timmins, R. J., Maxwell, A., Huy Keavuth, Lic Vuthy, Khou Eang Hourt (eds.) (2005). Biological assessment of the Lower Mekong Dry Forests Ecoregion. WWF Greater Mekong Programme. Phnom Penh, Cambodia.
↑ Channa, P., Sovanna, P., Gray, T. N. E. (2010). Recent camera trap records of globally threatened species from the Eastern Plains Landscape, Mondulkiri. Cambodian Journal of Natural History 2010 (2): 89–93.
↑ Timmins, R. J., Evans, T. D. (1996). Wildlife and Habitat Survey of the Nakai-Nam Theun National Biodiversity Conservation Area, Khammouan and Bolikhamsai Provinces, Lao PDR. A report to Centre for Protected Areas and Watershed Management, Department of Forestry, Vientiane, Lao PDR.
↑ Duckworth, J. W., Salter, R. E. and Khounboline, K. (compilers) (1999). Wildlife in Lao PDR: 1999 Status Report. Vientiane: IUCN – The World Conservation Union / Wildlife Conservation Society / Centre for Protected Areas and Watershed Management.
1 2 Duckworth, J.W., Steinmetz, R., Timmins, R.J., Pattanavibool, A., Than Zaw, Do Tuoc, Hedges, S. (2008). "Bos gaurus". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Natur
↑ Le Xuan Canh, Pham Trong Anh, Duckworth, J. W., Vu Ngoc Thanh, Lic Vuthy (1997). A survey of large mammals in Dak Lak Province, Viet Nam. Unpublished report to IUCN and WWF. Hanoi, Viet Nam.
↑ Polet, G..Ling, S. (2004). Protecting mammal diversity: opportunities and constraints for pragmatic conservation management in Cat Tien National Park, Vietnam. Oryx 38 (2): 186
Ngữ Yên, Hồng Nhung (2014-19-12). “Sách 'tuyệt tích giang hồ' xuất hiện”. Báo Thanh Niên online. Truy cập ngày 28 tháng 4 năm 2015. Kiểm tra giá trị ngày tháng trong: |date= (trợ giúp)
