Itzkoff, Seymour W.
Peter Lang, 1991
Buku Teks
Artikel Jurnal
Lane, Max
Institute of Southeast Asian Studies , 2014
eBooks
Hawley, Amos H., author
The University of Chicago Press, 1986
Buku Teks
Locke, John, author
Hackett Publishing Company, Inc., 1996
Buku Teks