Beethoven, L. v. String Quartet in G Major Op.18, No. 2. Kalmus.
Chicagoスタイル(17版)引用形式Beethoven, Ludwig van. String Quartet in G Major Op.18, No. 2. New York: Kalmus.
MLA(8版)引用形式Beethoven, Ludwig van. String Quartet in G Major Op.18, No. 2. Kalmus.
警告: この引用は必ずしも正確ではありません.