APA-čujuhus (7. p.)

Richards, J. C. (1974). Error analysis: Perspectives on second language acquisition. Longman Group Limited.

Chicago-čujuhus (17. p.)

Richards, Jack C. Error Analysis: Perspectives on Second Language Acquisition. Londres: Longman Group Limited, 1974.

MLA-čujuhus (9. p.)

Richards, Jack C. Error Analysis: Perspectives on Second Language Acquisition. Longman Group Limited, 1974.

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