Schachter, N. (1969). English the easy way (3d ed.). South-Western Pub. Co..
Lua i Stíl Chicago (17ú heag.)Schachter, Norman. English the Easy Way. 3d ed. Cincinnati ; Chicago [etc.]: South-Western Pub. Co., 1969.
Lua MLA (8ú heag.)Schachter, Norman. English the Easy Way. 3d ed. South-Western Pub. Co., 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.