Wassenbergh, Henri A., author
Martinus Nijhoff, 1991
Buku Teks
White, Irvin L., author
University of Arizona Press, 1972
Buku Teks
Lee, Ricky J.
Springer, 2012
eBooks
Haanappel, Peter P. C., 1949-, author
Kluwer Law International, 2003
Buku Teks
edited by Ilmari Haapala
Springer, 2012
eBooks