Lua APA (7ú heag.)

(1985). Second language research. Edward Arnold Ltd..

Lua i Stíl Chicago (17ú heag.)

Second Language Research. London: Edward Arnold Ltd., 1985.

Lua MLA (9ú heag.)

Second Language Research. Edward Arnold Ltd., 1985.

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