Bonin, C. (2021). Belting: Belt voice training fur die singstimme. Books On Demand.
Chicagoスタイル(17版)引用形式Bonin, Christin. Belting: Belt Voice Training Fur Die Singstimme. [S. l.]: Books On Demand, 2021.
MLA(9版)引用形式Bonin, Christin. Belting: Belt Voice Training Fur Die Singstimme. Books On Demand, 2021.
警告: この引用は必ずしも正確ではありません.