Ross, J. W. (1920). Ross's business English: A treatise on English as it is used in modern business, for use in commercial departments of private and public schools. South-western Pub. Co..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Ross, J. Walter. Ross's Business English: A Treatise on English as It Is Used in Modern Business, for Use in Commercial Departments of Private and Public Schools. Cincinnati: South-western Pub. Co., 1920.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Ross, J. Walter. Ross's Business English: A Treatise on English as It Is Used in Modern Business, for Use in Commercial Departments of Private and Public Schools. South-western Pub. Co., 1920.
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