Riggs, James L., author
McGraw-Hill, 1968
Buku Teks
De Neufville, Richard, 1939-, editor
New York: McGraw-Hill, 1971
Buku Teks
Kirkpatrick, E.G., author
John Wiley & Sons, 1970
Buku Teks
Morrow, Vincent, author
Prentice-Hall, 1991
Buku Referensi
Bockrath, Joseph T.
McGraw-Hill, 1977
Buku Teks