Heussler, Robert
Heinemann Asia, 1985
Buku Teks
Jhon Toding Padang
Department of History, School of Oriental & African Studies, University of London, [date of publication not identified]
Buku Teks SO
Saha, Junid
Oxford Univ Press, Press 1980
Buku Teks SO
Purcell, Victor, 1896-1965
Oxford University Press, 1967
Buku Teks SO
[publisher not identified], [date of publication not identified]
Naskah