Langerhans, R. B., Gifford, M. E., Domínguez-Domínguez, O., García-Bedoya, D. & DeWitt, T.J. (2012). "Gambusia quadruncus (Cyprinodontiformes: Poeciliidae): a new species of mosquitofish from east-central México". Journal of Fish Biology. 81 (5): 1514–1539. doi:10.1111/j.1095-8649.2012.03397.x. PMID23020559.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Langerhans, R. B., Gifford, M. E., Domínguez-Domínguez, O., García-Bedoya, D. & DeWitt, T.J. (2012). "Gambusia quadruncus (Cyprinodontiformes: Poeciliidae): a new species of mosquitofish from east-central México". Journal of Fish Biology. 81 (5): 1514–1539. doi:10.1111/j.1095-8649.2012.03397.x. PMID23020559.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Wallus, Robert (1990). Reproductive biology and early life history of fishes in the Ohio River drainage. Bruce L. Yeager, Thomas P. Simon, Tennessee Valley Authority. Aquatic Biology Department, Tennessee Valley Authority. Office of Power, United States. Army. Corps of Engineers. Nashville District, American Electric Power Service Corporation. Chattanooga, Tenn.: Tennessee Valley Authority, Aquatic Biology Dept., Water Resources. ISBN0-8493-1919-6. OCLC23153067.
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Wallus, Robert (1990). Reproductive biology and early life history of fishes in the Ohio River drainage. Bruce L. Yeager, Thomas P. Simon, Tennessee Valley Authority. Aquatic Biology Department, Tennessee Valley Authority. Office of Power, United States. Army. Corps of Engineers. Nashville District, American Electric Power Service Corporation. Chattanooga, Tenn.: Tennessee Valley Authority, Aquatic Biology Dept., Water Resources. ISBN0-8493-1919-6. OCLC23153067.