Rockport Publishers, INC, 1995
Buku Teks
Wellons, Blanche
Laidlaw, 1949
Buku Teks
Higgins, James E.
Teachers College Press, 1971
Buku Teks
editor, Karli Verghese, Helen Lewis, Leanne Fitzpatrick
Springer, 2012
eBooks
edited by Tai-Ran Hsu
Institute of South East Asia Studies, 2009
eBooks