APA (7e ed.) Bronvermelding

Wagner, R. (2001). Wagner operas [computer file]: The complete vocal scores. CD Sheet Music Exclusive distributor.

Chicago (17e ed.) Bronvermelding

Wagner, Richard. Wagner Operas [computer File]: The Complete Vocal Scores. [United States], [Bryn Mawr: CD Sheet Music Exclusive distributor, 2001.

MLA (9e ed.) Bronvermelding

Wagner, Richard. Wagner Operas [computer File]: The Complete Vocal Scores. CD Sheet Music Exclusive distributor, 2001.