Irving, M. (1972). Bright morning: For piano. Schroeder & Gunther.
Chicagoスタイル(17版)引用形式Irving, Margaret. Bright Morning: For Piano. New York: Schroeder & Gunther, 1972.
MLA(9版)引用形式Irving, Margaret. Bright Morning: For Piano. Schroeder & Gunther, 1972.
警告: この引用は必ずしも正確ではありません.