黄秋凤 & 曾密群. (2021). 商务英语演讲实用教程: Practical business English presentations. 重庆大学出版社.
Chicago Style (17th ed.) Citation黄秋凤 and 曾密群. 商务英语演讲实用教程: Practical Business English Presentations. 重庆大学出版社, 2021.
MLA (8th ed.) Citation黄秋凤 and 曾密群. 商务英语演讲实用教程: Practical Business English Presentations. 重庆大学出版社, 2021.
Warning: These citations may not always be 100% accurate.