Burrell, R. (2005). Copyright exceptions: The digital impact. Cambridge, UK: Cambridge University Press.
Chicago Style aipamenaBurrell, Robert. Copyright Exceptions: The Digital Impact. Cambridge, UK: Cambridge University Press, 2005.
MLA aipamenaBurrell, Robert. Copyright Exceptions: The Digital Impact. Cambridge, UK: Cambridge University Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.