Cita APA

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.

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.