Gorove, Stephen, author
Martinus Nijhoff , 1991
Buku Teks
Sherman, Roger
Addison-Wesley, 1978
Buku Teks
Cullingworth, J.B., author
Routledge, 1997
Buku Teks
Chang, Cyril F., author
F.A. Davis , 2001
Buku Teks
edited by Marge Berer and T.K. Sundari Ravindran
Blackwell Science, 1999
Buku Teks