KOTPAL,R.L. (1997). MOLLUSCA (8th ed.). Rastogi Publications.
Chicago Style (17th ed.) ZitazioaKOTPAL,R.L. MOLLUSCA. 8th ed. India: Rastogi Publications, 1997.
MLA (9th ed.) ZitazioaKOTPAL,R.L. MOLLUSCA. 8th ed. Rastogi Publications, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.