Dyfyniad APA

Crawford, A. F., & Schachter, N. (1972). Perfecting reading and writing skills. Steck-Vaughn Co..

Dyfyniad Arddull Chicago

Crawford, Ann Fears, and Norman Schachter. Perfecting Reading and Writing Skills. Austin: Steck-Vaughn Co., 1972.

Dyfyniad MLA

Crawford, Ann Fears, and Norman Schachter. Perfecting Reading and Writing Skills. Steck-Vaughn Co., 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.