Frost, Darrel R. (2017). "Engystomops Jiménez de la Espada, 1872". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 15 January 2018.
Ron, Santiago R.; Santos, Juan C. & Cannatella, David C. (2006). "Phylogeny of the túngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)". Molecular Phylogenetics and Evolution. 39 (2): 392–403. doi:10.1016/j.ympev.2005.11.022. PMID16446105.
Narváez, Andrea E.; Ron, Santiago R. (2017-01-25). "Spawning behaviour of Engystomops pustulatus (Anura: Leptodactylidae)". Journal of Natural History. 51 (3–4): 267–275. doi:10.1080/00222933.2016.1251983. ISSN0022-2933. S2CID89077200.
Ron, Santiago R.; Santos, Juan C. & Cannatella, David C. (2006). "Phylogeny of the túngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)". Molecular Phylogenetics and Evolution. 39 (2): 392–403. doi:10.1016/j.ympev.2005.11.022. PMID16446105.
Narváez, Andrea E.; Ron, Santiago R. (2017-01-25). "Spawning behaviour of Engystomops pustulatus (Anura: Leptodactylidae)". Journal of Natural History. 51 (3–4): 267–275. doi:10.1080/00222933.2016.1251983. ISSN0022-2933. S2CID89077200.
Narváez, Andrea E.; Ron, Santiago R. (2017-01-25). "Spawning behaviour of Engystomops pustulatus (Anura: Leptodactylidae)". Journal of Natural History. 51 (3–4): 267–275. doi:10.1080/00222933.2016.1251983. ISSN0022-2933. S2CID89077200.