Barlow, Patricia, author
Kluwer Law & Taxation, 1988
Buku Teks
Zwarensteyn, Hendrik, author
Deventer, 1970
Buku Teks
Neale, A.D., author
Cambridge University Press, 1980
Buku Teks
Fugate, Wilbur L., author
Little, Brown, 1982
Buku Teks
Hovenkamp, Herbert, author
West Publishing, 1993
Buku Teks