Campbell, . R. C. (1974). Statistics for biologists (2.). Cambridge University Press.
Dyfyniad Arddull ChicagoCampbell, R C. Statistics for Biologists. 2. Cambridge: Cambridge University Press, 1974.
Dyfyniad MLACampbell, R C. Statistics for Biologists. 2. Cambridge University Press, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.