Cita APA (7a ed.)
Lebert, S., & Stark, L. (1939). PIANO-SCHOOL FOR SYSTEMATIC INSTRUCTION IN ALL BRANCHES OF PIANO-PLAYING.
Cita estilo Chicago (17a ed.)
Lebert, Sigismund, y Louis Stark. PIANO-SCHOOL FOR SYSTEMATIC INSTRUCTION IN ALL BRANCHES OF PIANO-PLAYING. 1939.
Cita MLA (9a ed.)
Lebert, Sigismund, y Louis Stark. PIANO-SCHOOL FOR SYSTEMATIC INSTRUCTION IN ALL BRANCHES OF PIANO-PLAYING. 1939.
Precaución: Estas citas no son 100% exactas.