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International culture Institut, 1084
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Concise oxford dictionary
Oxford University Press, New York
Buku Referensi
Peter Salim
The contemporary English - Indonesian dictionary (sixth edition)
Modern English Press, 1991
Buku Referensi
Who`s who in America : a biographical dictionary of natable living men and women (1958-1959)
Marquis, 1899
Buku Referensi
The Japan biographical encyclopedia & who's who
Rengo Press, 1958
Buku Referensi