Cita APA

Krashen, S. (1986). Priciples and practice in second language acquisition ([1st. ed., 4th rep.].). Oxford [etc.]: Pergamon press.

Citación estilo Chicago

Krashen, Stephen. Priciples and Practice in Second Language Acquisition. [1st. ed., 4th rep.]. Oxford [etc.]: Pergamon press, 1986.

Cita MLA

Krashen, Stephen. Priciples and Practice in Second Language Acquisition. [1st. ed., 4th rep.]. Oxford [etc.]: Pergamon press, 1986.

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