Sullivan, Eleanor J., 1938-, author
Mosby, 1995
Buku Teks
Reichmann, W.J.
Oxfrod University Press ., 1962
Buku Teks
edited by Gail Elizabeth Wyatt, Gloria Johnson Powell
Sage Publications, 1988
Buku Teks
Dershonitz, Alan M.
Little, Brown & Co., 1994
Buku Teks
Sage Publications, 1988
Buku Teks