Crawford, A. F., & Schachter, N. (1972). Perfecting reading and writing skills. Steck-Vaughn Co..
Lua i Stíl Chicago (17ú heag.)Crawford, Ann Fears, agus Norman Schachter. Perfecting Reading and Writing Skills. Austin: Steck-Vaughn Co., 1972.
Lua MLA (8ú heag.)Crawford, Ann Fears, agus Norman Schachter. Perfecting Reading and Writing Skills. Steck-Vaughn Co., 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.