APA citiranje

Youell, R. (1996). Travel and tourism: Optional units, advanced GNVQ. Harrow: Longman.

Trích dẫn kiểu Chicago

Youell, Ray. Travel and Tourism: Optional Units, Advanced GNVQ. Harrow: Longman, 1996.

MLA citiranje

Youell, Ray. Travel and Tourism: Optional Units, Advanced GNVQ. Harrow: Longman, 1996.

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