David, P., T. Q. Nguyen, T. T. Nguyen, K. Jiang, T. Chen, A. Teynié, and T. Ziegler. “A New Species of the Genus Oligodon Fitzinger, 1826 (Squamata: Colubridae) from Northern Vietnam, Southern China and Central Laos”. Zootaxa, vol. 3498, no. 1, Sept. 2012, pp. 45–62, doi:10.11646/zootaxa.3498.1.3.