Dean, S. (2010). English for office & business conversation: A picture process vocabulary. Trẻ.
シカゴスタイル引用形Dean, Susan. English for Office & Business Conversation: A Picture Process Vocabulary. Trẻ, 2010.
MLA引用形式Dean, Susan. English for Office & Business Conversation: A Picture Process Vocabulary. Trẻ, 2010.
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