Hal Leonard. (2017). Real Vocal Book: Low Voice- Vol. 1. Hal Leonard.
Cita Chicago (17th ed.)Hal Leonard. Real Vocal Book: Low Voice- Vol. 1. Hal Leonard, 2017.
Cita MLA (9th ed.)Hal Leonard. Real Vocal Book: Low Voice- Vol. 1. Hal Leonard, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.