Shaffer, Thomas L.
West Publishing Company, 1976
Buku Teks
Shaffer, Thomas L.
West Publishing, 1987
Buku Teks
Price, Susan C.
West Publishing Co,
Buku Teks
Bellow, Gary
Foundation Press, 1978
Buku Teks
Neumann, Richard K.
Wolters Kluwer Law & Business, 2013
Buku Teks