McGillick, Paul, author
Editions Didier Millet Sdn Bhd, 2006
Buku Referensi
Rao, P. N.
McGraw-Hill, 2002
Buku Teks
Gopinathan, V., author
Wiley Eastern, 1982
Buku Teks
Chrysler Learning Inc., 1983
Buku Teks
editor, Theodore V. Galambos
Wiley, 1988.
Buku Referensi