沈婵 & 方志仁. (2011). 商务英语口语. 中国石化出版社.
Chicago Style (17th ed.) Citation沈婵 and 方志仁. 商务英语口语. 中国石化出版社, 2011.
MLA (8th ed.) Citation沈婵 and 方志仁. 商务英语口语. 中国石化出版社, 2011.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation