Marasinghe, Lakshman
Principles of international trade law
Butterworth Asia, 1998
 Buku Teks
Houtte, Hans van
The law of international trade
Sweet and Maxwell, 1995
 Buku Teks
Hoyle, Mark S.W.
The law of international trade
Laureate Press, 1981
 Buku Teks
Houtte, Hans van
The law of international trade
Sweet and Maxwell, 1995
 Buku Referensi
Environmental protection and international law
edited by W. Lang, H. Neuhold,K. Zemanek
Graham & Trotman / Martinus Nijhoff, 1995
 Buku Referensi