Chan-ard, T., S. Thong-aree, M. Cota, and S. Makchai. “Cyclemys of the Peat Swamp of Southernmost Thailand”. The Thailand Natural History Museum Journal, vol. 5, no. 2, Dec. 2011, pp. 107-12, https://li05.tci-thaijo.org/index.php/thnhmj/article/view/1801.