APA aipamena

Krishan Gopal. (2001). Intellectual freedom in digital libraries. Authors Press.

Chicago Style aipamena

Krishan Gopal. Intellectual Freedom in Digital Libraries. New Delhi: Authors Press, 2001.

MLA aipamena

Krishan Gopal. Intellectual Freedom in Digital Libraries. Authors Press, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.