Koontz, Harold, author
McGraw-Hill, 1968
Buku Teks
edited by Robert H. Doktor, Michael A. Moses
Prentice-Hall, 1973
Buku Teks
Thompson, Arthur A., 1940-, author
Prentice-Hall, 1989
Buku Teks
Shepherd, William G., author
Prentice-Hall, 1979
Buku Teks
John Wiley & Sons, 1948
Buku Teks