- ↑ 1.0 1.1
"Crenigomphus hartmanni". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. 2010. Ginkuhà 24 Oktubre 2012.
- ↑ Martin, R. (1912) Notes sur les gomphines d'Afrique., Annales Societe Entomologique France 80: 480-486.
- ↑ Foerster, F. (1898) Odonaten des Transvaalstaates, II., Entomologische Nachrichten 24 (11): 166-172.
- ↑ 4.0 4.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ Odonata: Catalogue of the Odonata of the World. Tol J. van , 1 Agosto 2008