Crawford, A. F., & Schachter, N. (1972). Perfecting reading and writing skills. Steck-Vaughn Co..
Chicago Style (17th ed.) CitationCrawford, Ann Fears, i Norman Schachter. Perfecting Reading and Writing Skills. Austin: Steck-Vaughn Co., 1972.
Cita MLACrawford, Ann Fears, i Norman Schachter. Perfecting Reading and Writing Skills. Steck-Vaughn Co., 1972.
Atenció: Aquestes cites poden no estar 100% correctes.