Grant, Patrick
Macmillan Press, 1979
Buku Teks
Hellwig, Tineke, author
Centers for South and Southeast Asia Studies University of California at Berkeley , 1994
Buku Teks
Artikel Jurnal
Artikel Jurnal
edited by Andreas W. Daum, Lloyd C. Gardner, Wilfried Mausbach
Cambridge University Presss, 2003
Buku Teks