Morrisey, George L., author
Addison-Wesley, 1977
Buku Teks
Odiorne, George S., author
Prentice-Hall, 1969
Buku Teks
Deegan, Arthur X., author
Aspen Systems Corp., 1982
Buku Teks
Humble, John William, author
McGraw-Hill, 1968
Buku Teks
Humble, John William, author
Pan Books, 1972
Buku Teks