Artikel Jurnal
edited by John Duns, Arlen Duke, Brendan Sweeney
Edward Elgar Publishing, 2015
Buku Teks
editor, Ian McEwin, Kala Anandarajah
LexisNexis, 2011
Buku Teks
Robert C. R. Siekmann
T.M.C. Asser Press, 2012
eBooks
Retno Wiranti, author
[, ], 2014
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