Politzer, Robert L. Foreign language learning : a linguistic introduction / Robert L. Politzer. - Preliminary ed. - Englewood Cliffs, New Jersey : Prentice-Hall, Inc., 1965. - ix, 155 p. : ill. ; 23 cm. Includes bibliographical references (p.153-155). Subjects--Topical Terms: Language and languages -- Study and teaching. Dewey Class. No.: 401.9