Cita APA

Schaum, J. W. 1., & Schaum, J. W. 1. Scales and pieces in all keys: Book one.

Citación estilo Chicago

Schaum, John Walter 1905-1988, y John Walter 1905-1988 Schaum. Scales and Pieces in All Keys: Book One.

Cita MLA

Schaum, John Walter 1905-1988, y John Walter 1905-1988 Schaum. Scales and Pieces in All Keys: Book One.