Hosei University, 1997
Buku Referensi
Steiner, Henry J., author
The Foundation Press, 1968
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Lauterpacht, Hersch, Sir, 1897-1960, author
Institute of pacific relations, 1941
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John Pearse.
Wiley Balckwell, 2015
Buku Teks
Elsevier, 1980
Buku Teks