Keefe, William J., author
The American legislative process congress and the state
Prentice-Hall, 1994
 Buku Teks
Williams, David, author
Davies: Principles of Tax Law
Sweet & Makwell, 2000
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Leslie, Douglas L., author
Labor law in a nutshell
West Publishing, 1992
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Champion, Walter T, author
Sports law in a nutshell
WEST , 2009
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Epstein, David G., author
Consumer law in a nutshell
West Publishing, 1981
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