Campbell, R. (1983). Microbial ecology/2nd ed (2nd ed.). Blackwell.
Chicago Style aipamenaCampbell, R. Microbial Ecology/2nd Ed. 2nd ed. Oxford: Blackwell, 1983.
MLA aipamenaCampbell, R. Microbial Ecology/2nd Ed. 2nd ed. Blackwell, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.