(1991). Keyboards. Silver Burdett Ginn.
Cita Chicago (17th ed.)Keyboards. Columbus, Ohio: Silver Burdett Ginn, 1991.
Cita MLA (9th ed.)Keyboards. Silver Burdett Ginn, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)