Gass, Susan M. Second language acquisition : an introductory course / Susan M. Gass, Larry Selinker. - 2nd ed. - Mahwah ; London : Lawrence Erlbaum Associates, 2001. - XVI, 488 s. : il. ; 23 cm. 2J-GasS-Sec Bibliogr. s. 415-450. Indeksy. ISBN: 805835288 9780805835281