Tillinghast, David R.
Matthew Bender, 1984
Buku Teks
Bittker, Boris I.
Federal Tax Press, 1968
Buku Teks
Postlewaite, Philip F.
West Publisher, 1997
Buku Teks
Andrews, William D., 1931-
Aspen Law & Business, 1973
Buku Teks
Andrews, William D., 1931-
Little, Brown, 1969
Buku Teks