Dolan, John F., author
Little, Brown, 1991
Buku Teks
Smith, Len Young, author
West, 1966
Buku Teks
Stone, Bradford
West Publishing, 1995
Buku Teks
White, James J., author
West Publishing Co., 1972
Buku Teks
by Len Young Smith ... [et al.]
West Publishing, 1982
Buku Teks