Michaelsen, K. (1946). Learning English. Follett Pub. Co..
Lua i Stíl Chicago (17ú heag.)Michaelsen, Katherine. Learning English. Chicago: Follett Pub. Co., 1946.
Lua MLA (8ú heag.)Michaelsen, Katherine. Learning English. Follett Pub. Co., 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.