APA (7e ed.) Bronvermelding

Heller, S. (1901). Twenty-four preludes for the piano, op. 81. G. Schirmer.

Chicago (17e ed.) Bronvermelding

Heller, Stephen. Twenty-four Preludes for the Piano, Op. 81. New York: G. Schirmer, 1901.

MLA (9e ed.) Bronvermelding

Heller, Stephen. Twenty-four Preludes for the Piano, Op. 81. G. Schirmer, 1901.