Hohmann, Harald
Precautionary legal duties and principles of modern international environmental law: the percautionary principle; international environmental law between exploitation and protection
Martinus Nijhoff, 1994
 Buku Teks SO
Global forests and international environmental law/ Canadian Council of International Law=Conseil Canadian de Droit International
Kluwer Law International, 1996
 Buku Teks SO
Leeson, John D.
Environmental law
Pitman, 1995
 Buku Teks SO
Gaba, Jeffrey M.
Environmental Law
United States of America, 1994
 Buku Teks SO
Environmental law in development : lessons from the Indonesian experience
Michael Faure; Nicole Niessen, editor
Edward Elgar, 2006
 Buku Teks