Michaelson, Greg
Addison-Wesley, 1989
Buku Teks
Varberg, Dale E.
Pearson - Prentice Hall, 2007
Buku Teks
Boyce, William E.
John Wiley & Sons, 1988
Buku Teks
Bartle, Robert Gardner, 1927-
Scott, Foresman, 1968
Buku Teks
Stewart, James, 1941-
Brooks/Cole, 1999
Buku Teks