Maynard Smith, J. (1986). The problems of biology. Oxford University Press.
Chicago Style (17th ed.) ZitazioaMaynard Smith, John. The Problems of Biology. Oxford: Oxford University Press, 1986.
MLA (9th ed.) ZitazioaMaynard Smith, John. The Problems of Biology. Oxford University Press, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.