Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

Richards, Jack C. Error Analysis: Perspectives on Second Language Acquisition. Harlow, England: Longman, 1974.

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.