Cita APA

Brumfit, C. (1982). Problems and principles in english teaching. Orford: Pergamon.

Citación estilo Chicago

Brumfit, Christopher. Problems and Principles in English Teaching. Orford: Pergamon, 1982.

Cita MLA

Brumfit, Christopher. Problems and Principles in English Teaching. Orford: Pergamon, 1982.

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