van Hulst, R. (2010). Statistics for terrified biologists. Oxford University Press.
Chicago Style aipamenavan Hulst, Robert. Statistics for Terrified Biologists. Oxford University Press, 2010.
MLA aipamenavan Hulst, Robert. Statistics for Terrified Biologists. Oxford University Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.