Park, Patricia
Kluwer Law International, 2012
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O Neill, Kathleen
Cambridge University Press, 2005
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Collins, Lawrence
Butterworth, 1990
Buku Teks
London: Her Majesty's Stationary office, 1987,
Buku Referensi
Ikrar Nusa Bhakti, Irine H. Gayatri, editor; in cooperation with National Democratic Institute for International
Mizan, 2001
Buku Teks