APA-referens

Cowper, A. (2013). English for international tourism: Upper Intermediate workbook. Harlow, England: Pearson Education Limited.

Chicago-stil citat

Cowper, Anna. English for International Tourism: Upper Intermediate Workbook. Harlow, England: Pearson Education Limited, 2013.

MLA-referens

Cowper, Anna. English for International Tourism: Upper Intermediate Workbook. Harlow, England: Pearson Education Limited, 2013.

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