Cita APA (7a ed.)

Grieg, E., & Derwinger, L. (1993). Piano music without opus number. BIS.

Cita Chicago Style (17a ed.)

Grieg, Edvard, y Love Derwinger. Piano Music Without Opus Number. Djursholm: BIS, 1993.

Cita MLA (9a ed.)

Grieg, Edvard, y Love Derwinger. Piano Music Without Opus Number. BIS, 1993.