Lado, Robert, 1915- Lado, Robert, 1915- Language teaching, a scientific approach. - New York, McGraw-Hill [c1964] Bibliography: p. 223-229. LCCN: 63021002 Subjects--Topical Terms: Languages, Modern -- Study and teaching.--Languages, Modern -- Study and teaching. LC Class. No.: P51 / .L3 Dewey Class. No.: 407