Davis, Bill
Addison-Wesley, 1994
Buku Teks
Varberg, Dale E.
Pearson - Prentice Hall, 2007
Buku Teks
Bartle, Robert Gardner, 1927-
Scott, Foresman, 1968
Buku Teks
Ayres, Frank, 1901-1994
[publisher not identified], [date of publication not identified]
Buku Teks
Stewart, James, 1941-
Brooks/Cole, 1991
Buku Teks