Gass, Susan M. Second language acquisition : an introductory course / Susan M. Gass and Larry Selinker. - 3rd ed. - New York : Routledge/Taylor and Francis Group, 2008. - xviii, 593 p. : ill. ; 23 cm. Includes bibliographical references (p. 523-576) and indexes. ISBN: 9780805854978 (hbk) 0805854975 (hbk) 9780805854985 (pbk) 0805854983 (pbk) 9780203932841 (ebk) 0203932846 (ebk) LCCN: 2007028663 Subjects--Topical Terms: Second language acquisition. LC Class. No.: P118.2 / .S424 2008 Dewey Class. No.: 418