Frost, Darrel R.„Dendropsophus columbianus (Boettger, 1892)“. Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History (2013). 2014-yil 1-fevralda asl nusxadan arxivlangan. Qaraldi: 2013-yil 6-aprel.
Frost, Darrel R.„Dendropsophus columbianus (Boettger, 1892)“. Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History (2013). 2014-yil 1-fevralda asl nusxadan arxivlangan. Qaraldi: 2013-yil 6-aprel.