Template:Kullander, 1979a
- Kullander, S.O. 1979. Species of Apistogramma (Teleostei, Cichlidae) from the Orinoco drainage basin, South America, with descriptions of four new species. Zoologica Scripta 8(1): 69–79. DOI: 10.1111/j.1463-6409.1979.tb00620.x