Παραπομπή APA

Campbell, . R. C. (1974). Statistics for biologists (2.). Cambridge University Press.

Παραπομπή Chicago Style

Campbell, R C. Statistics for Biologists. 2. Cambridge: Cambridge University Press, 1974.

Παραπομπή MLA

Campbell, R C. Statistics for Biologists. 2. Cambridge University Press, 1974.