TY  - BOOK
AU  - Gass,Susan M.
AU  - Selinker,Larry
TI  - Second language acquisition: an introductory course 
SN  - 9780203932841 (electronic bk.)
PY  - 2008///
CY  - New York
PB  - Routledge/Taylor and Francis Group
KW  - Second language acquisition
N1  - Description based on print version record; Includes bibliographical references and indexes
UR  - http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=216961
ER  -