Papalia, Diane E., author
McGraw-Hill, 2001
Buku Teks SO
Craig, Grace J., author
Prentice-Hall, 1986
Buku Teks SO
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Papalia, Diane E., author
McGraw-Hill, 2007
Buku Teks
Jurnal Hukum Internasional: Indonesian Journal of International Law, Vol. 1 No. 1 Oktober 2003 : 46-59, 2003
Artikel Jurnal