APA (7th ed.) Citation

Chamot...et.al, A. U. UP close: English for global communication. Heinle and Heinle.

Chicago Style (17th ed.) Citation

Chamot...et.al, Ana Uhl. UP Close: English for Global Communication. Heinle and Heinle.

MLA (8th ed.) Citation

Chamot...et.al, Ana Uhl. UP Close: English for Global Communication. Heinle and Heinle.

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