Frost, Darrel R.: Hyperolius horstockii (Schlegel, 1837)Amphibian Species of the World: an Online Reference. Version 6.1. 2020. New York, USA: American Museum of Natural History. Viitattu 28.6.2020. (englanniksi)
iucnredlist.org
IUCN SSC Amphibian Specialist Group: Hyperolius horstockiiIUCN Red List of Threatened Species. Version 2020.1. 2013. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 28.6.2020. (englanniksi)