Shaffer, Thomas L.
West Publishing, 1987
Buku Teks
Binder, David A.
West Pub. Co.,, 1977
Buku Teks
Averill, Lawrence H.
West Publishing Company, 1978
Buku Teks
Hegland, Kenney F.
West Publishing , 1978
Buku Teks
Neumann, Richard K.
Wolters Kluwer Law & Business, 2013
Buku Teks