Cox, Arthur F., author
Harcourt Brace Javanovich, 1978
Buku Teks
Stewart, James, 1941-, author
Brooks, 1998
Buku Teks
Calvert, James, author
McGraw-Hill, 1994
Buku Teks
Stewart, James, 1941-, author
Brooks/Cole, 1999
Buku Teks
Finney, Ross L., author
Addison-Wesley, 1994
Buku Teks