APA (7e ed.) Bronvermelding

Bourne, J., & Kennedy, M. (1998). Who's who in opera: A guide to opera characters. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Bourne, Joyce, en Michael Kennedy. Who's Who in Opera: A Guide to Opera Characters. Oxford: Oxford University Press, 1998.

MLA (9e ed.) Bronvermelding

Bourne, Joyce, en Michael Kennedy. Who's Who in Opera: A Guide to Opera Characters. Oxford University Press, 1998.