Não informado. (1951). American string teacher. American String Teachers Association.
Chicagoスタイル(17版)引用形式Não informado. American String Teacher. Dallas, Tex: American String Teachers Association, 1951.
MLA(8版)引用形式Não informado. American String Teacher. American String Teachers Association, 1951.
警告: この引用は必ずしも正確ではありません.