Corbin, R. K. (1960). Guide to modern English. Scott, Foresman and co.
Lua i Stíl Chicago (17ú heag.)Corbin, Richard K. Guide to Modern English. Chicago: Scott, Foresman and co, 1960.
Lua MLA (9ú heag.)Corbin, Richard K. Guide to Modern English. Scott, Foresman and co, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.