edited by W. Lang, H. Neuhold,K. Zemanek
Graham & Trotman / Martinus Nijhoff, 1995
Buku Referensi
Hohmann, Harald, author
Martinus Nijhoff, 1994
Buku Teks
Shigeta, Yasuhiro, author
Wolters Kluwer, 2010
Buku Teks
Bhatt, S, author
A.P.H. Publishing, 2013
Buku Teks
Guruswamy, Lakshman D., author
Thomson/West, 2012
Buku Teks