Wagner, Walter F., author
McGraw-Hill, 1974
Buku Teks
Kemper, Alfred M., author
John Wiley & Sons, 1973
Buku Teks
Robinson, Jeremy
New York: McGraw-Hill, 1979
Buku Teks
Strom, Steven, author
Van Nostrand Reindhold, 1993
Buku Teks
Robbins, Edward, 1944-, author
MIT Press, 1997
Buku Teks