Hamers, Josiane F., author
Cambridge University Press , 1993
Buku Teks
Walters, Joel, author
Lawrence Erlbaum Associates, 2005
Buku Teks
Appel, R.
Edward Arnold , 1988
Buku Teks
Muysken, Pieter
Cambridge University Press, 2000
Buku Teks
edited by Tej K. Bhatia and William C. Ritchie
Wiley Blackwell, 2014
Buku Teks