Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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