Nunan, D. Research methods in language learning (3a ed.).
Lua i Stíl Chicago (17ú heag.)Nunan, David. Research Methods in Language Learning. 3a ed.
Lua MLA (8ú heag.)Nunan, David. Research Methods in Language Learning. 3a ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.