Sullivan, J. W. N. (1952). Beethoven: His Spiritual Development (2. Aufl.). Mentor Books.
Chicagoスタイル(17版)引用形式Sullivan, J. W. N. Beethoven: His Spiritual Development. 2. Aufl. New York: Mentor Books, 1952.
MLA(8版)引用形式Sullivan, J. W. N. Beethoven: His Spiritual Development. 2. Aufl. Mentor Books, 1952.
警告: この引用は必ずしも正確ではありません.