Speciale, Raymond C.
McGraw-Hill, 2006
Buku Teks
Y. Sari Budiarti
Fakultas Hukum Universitas Indonesia, 2001
UI - Skripsi Membership
Cambridge University Press, 2018
eBooks
Pearson, Michael W.
Pearson education, 2015
Buku Teks
M. Nijhoff ; [Leiden] , 1992
Buku Teks