Hambler, C. (2004). Conservation. Cambridge, UK: Cambridge University Press.
Chicago Style aipamenaHambler, Clive. Conservation. Cambridge, UK: Cambridge University Press, 2004.
MLA aipamenaHambler, Clive. Conservation. Cambridge, UK: Cambridge University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.