Research methods in second language acquisition : a practical guide
Edited by Alison Mackey, Dudan M. Gass
Wiley-Blackwell, 2012
 Buku Teks
Saville-Troike, Muriel, 1936-
Introducing second language acquisition
Cambridge University Press, 2017
 Buku Teks
Ellis, Rob
Instructed second language acquisition
Blackwell, 1990
 Buku Teks
Saville-Troike, Muriel, 1936-
Introducing second language acquisition
Cambridge University Press , 2006
 Buku Teks
Saville-Troike, Muriel, 1936-
Introducing second language acquisition
Cambridge University Press, 2012
 Buku Teks