Orilia, Lawrence S., author
McGraw-Hill, 1986
Buku Teks
Long, Larry E., author
Prentice-Hall, 1994
Buku Teks
Reza, Fazlollah M., author
Dover pub., 1994
Buku Teks
Worthington, Paul, author
Thomson, 2003
Buku Teks
Turban, Efraim, 1930-, author
John Wiley & Sons, 2003
Buku Teks