Boillot, Michael, author
West Publishing Co, 1982
Buku Teks
Nickerson, Robert C., author
Little, Brown & Co., 1984
Buku Teks
Graver, Robert T., author
Prentice-Hall, 1983
Buku Teks
Johnson, David L., 1935-, author
Addison-Wesley, 1986
Buku Teks
Stern, Nancy B., author
Wiley, 1994
Buku Teks