APA引文

Williams, I. (2002). Green light three: Student book. London: McGraw-Hill.

Trích dẫn kiểu Chicago

Williams, Ivor. Green Light Three: Student Book. London: McGraw-Hill, 2002.

MLA引文

Williams, Ivor. Green Light Three: Student Book. London: McGraw-Hill, 2002.

警告：这些引文格式不一定是100％准确.