APA aipamena

Christiansen, R. (2002). The faber pocket guide to opera. Faber and faber.

Chicago Style aipamena

Christiansen, Rupert. The Faber Pocket Guide to Opera. London: Faber and faber, 2002.

MLA aipamena

Christiansen, Rupert. The Faber Pocket Guide to Opera. Faber and faber, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.