Eisenstadt, Shmuel Noah
The Free Press, 1978
Buku Teks
Rowlan, Donald T.
Springer, 2012
eBooks
Prichard, Katharine Susannah
Virago, 1984
Buku Teks
Blackwell Publishers for the United Nations Industrial Development Organization, 1992
Buku Teks
Hill, Hal, 1948-
Institute of Southeast Asian Studies, 1997
Buku Teks SO