Gass, Susan M. Second language acquisition : an introductory course / Susan M. Gass, Larry Selinker. - 2nd ed. - Mahwah, N.J. : Lawrence Erlbaum Associates, c2001. - xvi, 488 p. : ill. ; 21 cm. Includes bibliographical references (p. 415-449) and indexes. ISBN: 080583527X 0805835288 Subjects--Topical Terms: Second language acquisition. Dewey Class. No.: 418.0071 / GAS