Gustafson, Charles H.
West Publishing Co., 1997
Buku Teks
Tillinghast, David R., author
Matthew Bender, 1984
Buku Teks
Bittker, Boris I., author
Federal Tax Press, 1968
Buku Teks
Postlewaite, Philip F., author
West Publisher, 1997
Buku Teks
Andrews, William D., 1931-, author
Aspen Law & Business, 1973
Buku Teks