Wolf, Stanley
Student reference manual for electronic instrumentation laboratories
Prentice-Hall, 1990
 Buku Referensi
Bagchi, S. N.
Industrial steel reference book
Wiley Eastern, 1979
 Buku Teks
Mechanical engineer's reference book
edited by Edward H. Smith
Butterworth-Heinemann, 1995
 Buku Teks
Selected reference book of 2001
 Artikel Jurnal
Civil engineer's reference book
edited by L.S. Blake
Butterworth, 1994
 Buku Referensi