The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Foy, Sally; Oxford Scientific Films. 1982. The Grand Design: Form and Colour in Animals. Lingfield, Surrey, U.K.: BLA Publishing Limited for J.M.Dent & Sons Ltd, Aldine House, London. 238 p.
- Frost, Darrel R. 1997. Amphibian Species of the World, A Taxonomic and Geographic Reference. Second edition
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