↑D. R. Khanna (2004). Biology of Arthropoda. Discovery Publishing House. с. 351. ISBN81-7141-897-X.
↑Henri J. Dumont & Ștefan Negrea (2002). Guides to the Identification of the Microinvertebrates of the Continental Waters of the World19. Backhuys. с. 29. ISBN978-90-5782-112-7.