Johson, David B.
Grove Brooks/Cole, 1999
Buku Teks
[by] John G. Kemeny [and others]
Prentice-Hall, 1962
Buku Teks
Lial, Margaret L.
Addison-Wesley, 2005
Buku Teks
Goldstein, Larry Joel
Prentice-Hall, c1984.
Buku Teks
Calvert, James
McGraw-Hill, 1994
Buku Teks