David Cotton. (2011). Market Leader: Pre-intermediate Business English. Hà Nội: Văn hóa Thông tin.
Trích dẫn kiểu ChicagoDavid Cotton. Market Leader: Pre-intermediate Business English. Hà Nội: Văn hóa Thông tin, 2011.
MLA引文David Cotton. Market Leader: Pre-intermediate Business English. Hà Nội: Văn hóa Thông tin, 2011.
警告:这些引文格式不一定是100%准确.