^Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN978-1-4214-0135-5. (Urostrophus gallardo, p. 97).
Dirksen L, De la Riva I (1999). "The lizards and amphisbaenians of Bolivia (Reptilia, Squamata): checklist, localities, and bibliography". Graellsia55: 199–215. (Urostrophus gallardoi, p. 204). (in English, with an abstract in Spanish).
Etheridge R, Williams EE (1991). "A Review of the South American Lizard Genera Urostrophus and Anisolepis (Squamata: Iguania: Polychrotidae)". Bulletin of the Museum of Comparative Zoology12 (5): 317–361. (Urostrophus gallardoi, new species, pp. 323–326, Figures 1–2).
Tedesco, María Esther; Álvarez, Blanca Beatriz (1992). "Urostrophus gallardoi (Iguania: Polychrotidae) nuevas localidades para Argentina ". Facena9: 111–115. (in Spanish).