Schuman, W. H. (1942). Four canonic choruses for mixed voices a cappella. G. Schirmer.
Chicagoスタイル(17版)引用形式Schuman, William Howard. Four Canonic Choruses for Mixed Voices a Cappella. New York: G. Schirmer, 1942.
MLA(9版)引用形式Schuman, William Howard. Four Canonic Choruses for Mixed Voices a Cappella. G. Schirmer, 1942.
警告: この引用は必ずしも正確ではありません.