Champion, Walter T, author
WEST , 2009
Buku Teks
Sohn, Louis B., author
Thomson Reuters, 2010
Buku Teks
Frolik, Lawrence A., author
West Publishing , 2010
Buku Teks
Barron, Jerome A., author
West, 2009
Buku Teks
Ramsey, Sarah H., author
Thomson/West, 2011
Buku Teks