Oswald, A. (1909). Advanced course of German commercial correspondence. Blackie & son.
Chicagoスタイル(17版)引用形式Oswald, Alfred. Advanced Course of German Commercial Correspondence. London: Blackie & son, 1909.
MLA(8版)引用形式Oswald, Alfred. Advanced Course of German Commercial Correspondence. Blackie & son, 1909.
警告: この引用は必ずしも正確ではありません.