^ abBeolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN978-1-4214-0135-5. (Lygosoma haroldyoungi, pp. 116-117).
Geissler P, Hartmann T, Neang T (2012). "A new species of the genus LygosomaHardwicke & Gray, 1827 (Squamata: Scincidae) from northeastern Cambodia, with an updated identification key to the genus Lygosoma in mainland Southeast Asia". Zootaxa3190: 56–68.
Moravec J, Böhme W (2008). "First record of Riopa haroldyoungi from Laos". Herpetological Notes1: 9–10.
Taylor EH (1962). "New Oriental Reptiles". University of Kansas Science Bulletin43 (7): 209–263. (Riopa haroldyoungi, new species, pp. 242–244, Figure 12).