Weis, P.
Nationality and statelessness in international law
Sijthoff and Noordhoff, 1979
 Buku Teks
International law in comparative perspective
edited by William E. Butler
Sijthoff & Noordhoff, 1980
 Buku Teks
Mas Achmad Santosa
The right to healthy environment: international law perspective
2005
 Artikel Jurnal
Hill, Charles W.L.
International business : an Asian perspective
McGraw-Hill, 2012.
 Buku Teks
International law and international relations
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
 Buku Teks