Rivers, Wilga M. Communicating naturally in a second language : theory and practice in language teaching / Wilga M. Rivers. - Cambridge [Cambridgeshire] ; New York : Cambridge University Press, c1983. - ix, 243 p. 23 cm. Includes index. Bibliography: p. 224-232. ISBN: 0521254019 0521274176 (pbk.) LCCN: 82023620 Subjects--Topical Terms: Language and languages--Study and teaching. LC Class. No.: P51 / .R5 1983 Dewey Class. No.: 418.007 / RIC 1983