Pearson, Michael W.
Pearson education, 2015
Buku Teks
Larsen, Paul B.
Martinus Nijhoff pub., 2012
Buku Teks
Willborn, Steven L.
The Michie Company, 1993
Buku Teks
by Barry R. Furrow ... [and others]
West Publishing, 1987
Buku Teks
Adelman, Martin J.
Thomson/West, 2009
Buku Teks