Gawor, A., R. Hendrix, M. Vences, W. Böhme, and T. Ziegler. “Larval Morphology in Four Species of Hylarana from Vietnam and Thailand With Comments on the Taxonomy of H. Nigrovittata Sensu Latu (Anura: Ranidae)”. Zootaxa, vol. 2051, no. 1, Mar. 2009, pp. 1–25, doi:10.11646/zootaxa.2051.1.1.