Danilenko, G.M.
Law-making in the internastional community
Martinus Nijhoff , 1993
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Reexamining Customary International Law
Cambridge University Press, 2017
 eBooks
Korowicz, Marek St.
Introduction to international law: present conceptions of international law in theory and practice / Marek St. Korowicz
Martinus Nijhoff, 1964
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International law and international relations
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
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Shaw, Malcolm Nathan, 1947-
International law
Cambridge University Press, 2017
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