Siegel, Larry J., 1959-, author
Wardsworth, 2011
Buku Teks
editors, George S. Bridgges, Joseph G. Weis, Robert D. Crutchfield
Pine Force Press, 1996
Buku Teks
Cox, Steven M., author
McGraw-Hill, 1998
Buku Teks
Ireland, Connie Estrada, author
McGraw-Hill, 2011
Buku Referensi
Muladi, 1943-, author
Faculty of law University of Indonesia, 2002
Buku Teks