RAI U S. (1981). BUSINESS COMMUNICATION. HIMALAYA PUBLISHING HOUSE.
Chicagoスタイル(17版)引用形式RAI U S. BUSINESS COMMUNICATION. BOMBAY: HIMALAYA PUBLISHING HOUSE, 1981.
MLA(9版)引用形式RAI U S. BUSINESS COMMUNICATION. HIMALAYA PUBLISHING HOUSE, 1981.
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