Campbell, R. C. (1989). Statistics for biologists (3a. ed.). Cambridge University.
Chicago Style (17th ed.) ZitazioaCampbell, Richard Colin. Statistics for Biologists. 3a. ed. Cambridge: Cambridge University, 1989.
MLA (9th ed.) ZitazioaCampbell, Richard Colin. Statistics for Biologists. 3a. ed. Cambridge University, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.