Dony Ariyus
Andi, 2005
Buku Teks
edit by Dean C. Alexander, Seymour J. Rubin
Kluwer Law International , 1995
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Folsom, Ralph Haughwout
West Group, 1999
Buku Teks
edited by Jonathan S. Berek
Wolters Kluwer, 2015
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Lopez, David
St. Paul Minn, 2000
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