Gaston, K. J. (1998). Biodiversity: An Introduction (2nd ed.). Blackwell.
Chicago Style (17th ed.) ZitazioaGaston, Kevin J. Biodiversity: An Introduction. 2nd ed. UK: Blackwell, 1998.
MLA (9th ed.) ZitazioaGaston, Kevin J. Biodiversity: An Introduction. 2nd ed. Blackwell, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.