APA aipamena

Cotton D. David & Robbins S. Sue. (2003). Business class. Course Book. Edinburgh, Longman, 2003.

Chicago Style aipamena

Cotton D. David and Robbins S. Sue. Business Class. Course Book. Edinburgh, Longman, 2003, 2003.

MLA aipamena

Cotton D. David and Robbins S. Sue. Business Class. Course Book. Edinburgh, Longman, 2003, 2003.

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