Eckersley, C. (1964). A commercial course for foreign students™. Longman.
Chicagoスタイル(17版)引用形式Eckersley, C.E. A Commercial Course for Foreign Students™. London: Longman, 1964.
MLA(9版)引用形式Eckersley, C.E. A Commercial Course for Foreign Students™. Longman, 1964.
警告: この引用は必ずしも正確ではありません.