Artikel Jurnal
Roff, William R.
University of Malaysia Press, 1967
Buku Teks
Drakard, Jane, author
Southeast Asia Program, 1990
Buku Teks
Wallace, Alfred Russel, 1823-1913, author
Dover Publications, 1869
Buku Teks
Bujang, Rahmah
Local History and Memoirs Institut of Southeast Asian Studies , 1987
Buku Teks