(1936). The a cappella singer: Mixed. E.C. Shirmer Music.
Cita Chicago (17th ed.)The a Cappella Singer: Mixed. Boston: E.C. Shirmer Music, 1936.
Cita MLA (9th ed.)The a Cappella Singer: Mixed. E.C. Shirmer Music, 1936.
Atenció: Aquestes cites poden no estar 100% correctes.