Barnett, Raymond A., author
McGraw-Hill, 1993
Buku Teks
Durbin, John R., author
John Wiley & Sons, 1982
Buku Teks
Rees, Paul K., author
McGraw-Hill, 1981
Buku Teks
Beckenbach, Edwin F., author
Wadsworth, 1968
Buku Teks
Barrdell, Ross H., author
Addison-Wesley, 1953
Buku Teks