Fromkin, Victoria A., author
ICG Publications, 1991
Buku Teks
Stokkermans, C. J.
[publisher not identified], 1980
Buku Teks
Lamers, h.a.j.m
Dick Coutinho, 1993
Buku Teks
ACCO, 2001
Buku Teks
Edited by Jeroen van de Weijer, Bettelou Los
John Benjamin Publishing Company, 2006
Buku Teks