Spermatozoa Research Group. (2000). Animal Spermatozoa and Environmental Pollution-1 (1st. ed.). National offset printing press.
Chicago Style (17th ed.) ZitazioaSpermatozoa Research Group. Animal Spermatozoa and Environmental Pollution-1. 1st. ed. Rajshahi: National offset printing press, 2000.
MLA (9th ed.) ZitazioaSpermatozoa Research Group. Animal Spermatozoa and Environmental Pollution-1. 1st. ed. National offset printing press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.