Ellis, Rod. Understanding second language acquisition / Rod Ellis. - Oxford ; New York : Oxford University Press, 1985. - 327 p. : ill. ; 24 cm. Includes index. ISBN: 019437081X (pbk.) LCCN: 86195829 Subjects--Topical Terms: Second language acquisition. LC Class. No.: P118.2 / .E4 1985 Dewey Class. No.: 401.93