Perkins, Donald H.
Addison-Wesley , 1987
Buku Teks SO
Josephson, Matthew
Houghton Mifflin, 1969
Buku Teks SO
edited by Brendan Taylor, Nicholas Farrelly, Sheryn Lee
Institute of South East Asia Studies, 2012
eBooks
editors, C. Bonnelle and C. Mande
Pergamon Press, 1982
Buku Teks SO
edited by Ronald M. Berndt, Catherine H. Berndt
Angus and Robertson, 1965
Buku Teks SO