宋旭惟. (2011). 升职无敌英语口语: Spoken English for the workplace. 中国纺织出版社.
Chicago Style (17. basım) Atıf宋旭惟. 升职无敌英语口语: Spoken English for the Workplace. 中国纺织出版社, 2011.
MLA (8th ed.) Atıf宋旭惟. 升职无敌英语口语: Spoken English for the Workplace. 中国纺织出版社, 2011.
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