APA Citation

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 Citation

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

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