APA aipamena

Harsh Bala. (2010). Digital library preservation and archiving. GNOSIS.

Chicago Style aipamena

Harsh Bala. Digital Library Preservation and Archiving. Delhi: GNOSIS, 2010.

MLA aipamena

Harsh Bala. Digital Library Preservation and Archiving. GNOSIS, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.