Rao, K. (1992). Fresh water ecology (Bryozoa). Anmol.
Chicago Style aipamenaRao, K.S. Fresh Water Ecology (Bryozoa). New Delhi: Anmol, 1992.
MLA aipamenaRao, K.S. Fresh Water Ecology (Bryozoa). Anmol, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.