APA aipamena

Alfaro López, H. G. (2011). In Praise of Library History.

Chicago Style aipamena

Alfaro López, Héctor Guillermo. In Praise of Library History. 2011.

MLA aipamena

Alfaro López, Héctor Guillermo. In Praise of Library History. 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.