Clark, Eve V.
First language acquisition
Cambridge University Press, 2006
 Buku Teks SO
Language acquisition: studies in first language development
edited by Paul Fletcher and Michael Garman
Cambridge University Press, 1986
 Buku Teks SO
Saville-Troike, Muriel, 1936-
Introducing second language acquisition
Cambridge University Press, 2006
 Buku Teks SO
Saville-Troike, Muriel, 1936-
Introducing second language acquisition
Cambridge University Press, 2012
 Buku Teks SO
Larsen-Freeman, Diane
An introduction to second language acquisition research
Longman , 1992
 Buku Teks SO