APA (7e ed.) Bronvermelding

Kobbe, G., & Harewood, G. H. H. L. (1976). Kobbe's Complete opera book (9th ed.). Putnam.

Chicago (17e ed.) Bronvermelding

Kobbe, Gustav, en George Henry Hubert Lascelles Harewood. Kobbe's Complete Opera Book. 9th ed. London: Putnam, 1976.

MLA (8e ed.) Bronvermelding

Kobbe, Gustav, en George Henry Hubert Lascelles Harewood. Kobbe's Complete Opera Book. 9th ed. Putnam, 1976.