Stratopoulos, G.M.
IEP, A Dun-Donnelley, 1976
Buku Teks
Lial, Margaret L., author
Addison-Wesley, 2005
Buku Teks
Cox, Arthur F., author
Harcourt Brace Javanovich, 1978
Buku Teks
Stewart, James, 1941-, author
Brooks, 1998
Buku Teks
Stewart, James, 1941-, author
Brooks/Cole, 1999
Buku Teks