Gallagher, O. C., & Moulton, L. B. (1918). Practical business English. Houghton Miffin Company.
Chicagoスタイル(17版)引用形式Gallagher, Oscar Charles, , Leonard Bowdoin Moulton. Practical Business English. Boston : New York [etc.]: Houghton Miffin Company, 1918.
MLA(8版)引用形式Gallagher, Oscar Charles, , Leonard Bowdoin Moulton. Practical Business English. Houghton Miffin Company, 1918.
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