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Onadeko, Abiodun B.; Rödel, Mark-Oliver; Liedtke, H. Christoph; Barej, Michael «The rediscovery of Perret’s toad, Amietophrynus perreti (Schiøtz, 1963) after more than 40 years, with comments on the species' phylogenetic placement and conservation status». Zoosystematics and Evolution, 90, 2, 2014, pàg. 113–119. DOI: 10.3897/zse.90.8234.