Jans, Jan H.
Europa Law Publishing, 2000
Buku Teks SO
Yasuhiro Shigeta
Wolters Kluwer, 2010
Buku Teks SO
edited by W. Lang, H. Neuhold,K. Zemanek
Graham & Trotman / Martinus Nijhoff, 1995
Buku Referensi
Guruswamy, Lakshman D.
Thomson/West, 2012
Buku Teks
edited by Daniel Bodansky, Jutta Brunnee and Ellen Hey
Oxford University Press, 2007
Buku Teks SO