Cita APA

Mann, R., Bell, I., & Gower, R. (2003). First certificate expert: Students resource book. Harlow: Longman.

Citación estilo Chicago

Mann, Richard, Ian Bell, and Roger Gower. First Certificate Expert: Students Resource Book. Harlow: Longman, 2003.

Cita MLA

Mann, Richard, Ian Bell, and Roger Gower. First Certificate Expert: Students Resource Book. Harlow: Longman, 2003.

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