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Buku Referensi
Akaruese, Lucky, author
Xlibris Corporation, 2012
Buku Teks
Human Rights Resource Centre UI
Human Rights resource Centre, UI, 2011
Buku Teks
edited by James C. Hsiung
Paragon House, 1985
Buku Teks
M. Nijhoff Publishers, 1982
Buku Teks