Savery, T. (1996). Biology of spiders (2nd ed.). Oxford University Press.
Chicago Style aipamenaSavery, T.H. Biology of Spiders. 2nd ed. New York: Oxford University Press, 1996.
MLA aipamenaSavery, T.H. Biology of Spiders. 2nd ed. Oxford University Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.