Cita APA (7th ed.)

Concone, G. (1939). Fifty lessons for the voice for medium voice. G. Schirmer.

Cita Chicago (17th ed.)

Concone, Giuseppe. Fifty Lessons for the Voice for Medium Voice. Milwaukee, WI: G. Schirmer, 1939.

Cita MLA (9th ed.)

Concone, Giuseppe. Fifty Lessons for the Voice for Medium Voice. G. Schirmer, 1939.