Heywood, V. (1995). Global Biodiversity Assessment. Cambridge University Press.
Chicago Style aipamenaHeywood, V.H. Global Biodiversity Assessment. Cambridge: Cambridge University Press, 1995.
MLA aipamenaHeywood, V.H. Global Biodiversity Assessment. Cambridge University Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.