Macintryre, Ewan
Commercial law : cases and materials
Blackstone Press, 1998
 Buku Referensi
Countryman, Vern
Commercial law; cases and materials
Little, Brown, 1971
 Buku Teks
Corman, Calvin W.
Commercial law : cases and material
Little,Brown and Company, 1983
 Buku Teks
Schlesinger, Rudolf B.
Comparative law cases and materials
The Foundation Press, 1950
 Buku Teks
Kauper, Paul G.
Constitutional law : cases and materials
Little, Brown, 1971
 Buku Teks