Artikel Jurnal
Cedes, George
Oxford University Press, 1963
Buku Teks
Coedes, George, author
Adrien Maisoneuve, 1947
Buku Teks
Duesenberry, James S. (James Stemble), 1918-2009, author
Harvard University Press, 1959
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Cross, Red
Doubleday , 1956
Buku Teks