Warner, Jill Diana, author
Elsevier, 2005
Multimedia
by Jennings Ryan & Kolb, Inc. ; edited by Deborah S. Kolb
American Hospital Association, 1996
Buku Teks
Zaw, Oo, author
ISEAS, 2007
Buku Teks
edited by Gloria Poedjosoedarmo
SEAMEO Regional Language Centre, 2004
Buku Teks
Jasckson, Howard, author
Longman, 1990
Buku Teks