Kerin, Roger A., author
Pearson, 2013
Buku Teks
Morrissey, Leonard E., author
Prentice-Hall, 1963
Buku Teks
Braucher, Robert, author
Foundation Press, 1964
Buku Teks
Yeager, Fred C., author
Reston, 1982
Buku Teks
Brownlee, E. Richard, author
Richard D. Irwin, 1990
Buku Teks