APA引文

Yates, C. S. (1992). May I Help You?: (English in Tourism). New York: Prentice-Hall.

Trích dẫn kiểu Chicago

Yates, Christopher St.j. May I Help You?: (English in Tourism). New York: Prentice-Hall, 1992.

MLA引文

Yates, Christopher St.j. May I Help You?: (English in Tourism). New York: Prentice-Hall, 1992.

警告：这些引文格式不一定是100％准确.