Oberg, Erik
Machinery's handbook : a reference book for the mechanical engineer, draftsman, toolmaker, and machinist
Industrial Press, 1959
 Buku Referensi
Plant engineer's reference book
edited by Dennis A. Snow
Butterworth-Heinemann, 1993
 Buku Teks
Civil engineer's reference book
edited by L.S. Blake
Butterworth, 1986
 Buku Referensi
Civil engineer's reference book
edited by L.S. Blake
Butterworth, 1994
 Buku Referensi
Carvill, J.
Mechanical engineer's data handbook
Butterworth-Heinemann Ltd., 1993
 Buku Referensi