Makarczyk, Jerzy
Principles of a new international economic order: a study of international law in the making / by Jerzy Makarczyk
Martinus Nijhoff, 1988
 Buku Teks
Crowe, Jonathan
Principles of international humanitarian law
Edward Elgar, 2013
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Kelsen, Hans
Principles of international law
Holt, Rinehart and Winston, 1967
 Buku Teks
Brownlie, Ian
Principles of public international law
Oxford University Press, 1966
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Principles of international environmental law
by Philippe Sands [and others]
Cambridge University Press, 2012
 Buku Teks