Geoffroy Saint-Hilaire, É. (). „Le Simung”. În Audouin, I. B.; Bory de Saint-Vincent, M. Dictionnaire classique d'Histoire Naturelle. 9. Paris: Société D'Histoire Naturelle. p. 519.
Gomez, L.; Bouhuys, J. (). Illegal Otter Trade in Southeast Asia(PDF). Kelana Jaya, Selangor, Malaysia: Traffic Southeast Asia Regional Office. Arhivat din original(PDF) la . Accesat în .
doi.org
Hayman, R. W. (). „A new race of the Indian smooth-coated otter from Iraq”. Annals and Magazine of Natural History. 12. 9 (106): 710–712. doi:10.1080/00222935608655883.
Hwang, Y. T.; Larivière, S. (). „Lutrogale perspicillata”. Mammalian Species. 786: 1–4. doi:10.1644/786.1.
Kruuk, H.; Kanchanasaka, B.; O'Sullivan, S.; Wanghongsa, S. (). „Niche separation in three sympatric otters Lutra perspicillata, L. lutra and Aonyx cinerea in Huai Kha Khaeng, Thailand”. Biological Conservation. 69 (1): 115–120. doi:10.1016/0006-3207(94)90334-4.
Khoo, M.D.Y.; Lee, B.P.Y.‐H. (). „The urban Smooth‐coated otters Lutrogale perspicillata of Singapore: a review of the reasons for success”. International Zoo Yearbook. 54: 1–12. doi:10.1111/izy.12262.
Anoop, K. R.; Hussain, S. A. (). „Food and feeding habits of smooth-coated otters (Lutra perspicillata) and their significance to the fish population of Kerala, India”. Journal of Zoology. 266 (1): 15–23. doi:10.1017/S0952836905006540.
Hussain, S. A. (). „Group size, group structure and breeding in smooth-coated otter Lutra perspicillata Geoffroy in National Chambal Sanctuary”. Mammalia. 60: 289–297. doi:10.1515/mamm.1996.60.2.289.
Badham, M. (). „Breeding the Indian smooth otter Lutrogale perspicillata sindica X L.p. perspicillata at Twycross Zoo”. International Zoo Yearbook. 13 (1): 145–146. doi:10.1111/j.1748-1090.1973.tb02132.x.
Hussain, S. A.; Choudhury, B. C. (). „Distribution and status of the Smooth-coated Otter Lutra perspicillata in National Chambal Sanctuary, India”. Biological Conservation. 80 (2): 199–206. doi:10.1016/S0006-3207(96)00033-X.
Foster-Turley, P. (). „Conservation aspects of the ecology of Asian small-clawed and smooth otters on the Malay Peninsula”. IUCN Otter Specialist Group Bulletin. 7: 26–29. CiteSeerX10.1.1.507.9967.
Gomez, L.; Bouhuys, J. (). Illegal Otter Trade in Southeast Asia(PDF). Kelana Jaya, Selangor, Malaysia: Traffic Southeast Asia Regional Office. Arhivat din original(PDF) la . Accesat în .