Butler, Robert Brown
Architectural and engineering calculations manual
McGraw-Hill, 1984
 Buku Referensi
Theraja, B.L.
Advanced problems in electrical engineering
S. Chand, 1982
 Buku Teks
Vierck, Charles J.
Engineering drawing problems
McGraw-Hill, 1978
 Buku Teks
Newnan, Donald G.
Solution manual engineering economic analysis
Binarupa Aksara , 1991
 Buku Teks
Box, Paul C.
Manual of traffic engineering studies
Institut of Transportation Engineers, 1976
 Buku Referensi