Queljoe, David H de
Illinois Norhern Illinois University 1971
Buku Teks
Teeuw, A. (Andries), 1921-, author
Martinus Nijhoff, 1970
Buku Teks
Crosby, K. H.
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Buku Teks
Artikel Jurnal
Bougas, Wayne A., author
The Malaysian Historical Society, 1988
Buku Teks