French, Sally, author
Butterworth-Heinemann, 2001
Buku Referensi
by Peter Coburn ... [et al.]
Addison-Wesley, 1985
Buku Teks
Strong, William S., author
MIT Press, 1981
Buku Teks
Zechmeister, Eugene B., author
McGraw-Hill, 1992
Buku Teks
Holland, Norman Norwood, author
Oxford Universiy Press, 1990
Buku Referensi