Kauper, Paul G.
Little, Brown, 1971
Buku Teks
Hamilton, Robert W.
St. Paul, Minn, 1989
Buku Teks
Dine, Janet
Blackstone Press, 1993
Buku Teks
McGarvie, R. E. (Richard Elgin), 1926-
The Law Book Company, 1975
Buku Teks
Weatherill, Stephen
Blackstone Press Ltd., 1998
Buku Teks