Malek Emile A. (1980). Snail transmitted parasitic diseases: Volume II. CRC.
Chicago Style aipamenaMalek Emile A. Snail Transmitted Parasitic Diseases: Volume II. Florida: CRC, 1980.
MLA aipamenaMalek Emile A. Snail Transmitted Parasitic Diseases: Volume II. CRC, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.