Gw mau tau Rujukan dari Johannes Thiele (ahli zoologi). Jelasin dalam bahasa melayu

Bieler, R. & P. M. Mikkelsen (eds.) (1992). Handbook of Systematic Malacology, Part 1 (Loricata [Polyplacophora]; Gastropoda: Prosobranchia).  Smithsonian Institution and National Science Foundation, xviii + 625 pp., 470+1 text-fig. (Annotated English-language edition of: Thiele, J., Handbuch der systematischen Weichtierkunde, Teil 1). Also published, in 1993, by Gustav Fischer Verlag, Stuttgart/Jena/New York.