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batrachia.com
Acosta-Galvis, A.R. (2014). "Hyloxalus ramosi (Silverstone, 1971)". Lista de los Anfibios de Colombia V.05.2015.0. www.batrachia.com. Archived from the original on 2 April 2015. Retrieved 29 March 2015.
Acosta-Galvis, A.R. (2014). "Hyloxalus ramosi (Silverstone, 1971)". Lista de los Anfibios de Colombia V.05.2015.0. www.batrachia.com. Archived from the original on 2 April 2015. Retrieved 29 March 2015.