HMSO, 1995
Buku Teks
Purcell, Victor, 1896-1965
Victor Gollancz, 1954
Buku Teks
Kam, Samuel S.W.
Peace book , 2011
Buku Teks
Purcell, Victor, 1896-1965
Oxford University Press, 1967
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Jhon Toding Padang
Department of History, School of Oriental & African Studies, University of London, [date of publication not identified]
Buku Teks SO