Gaya APA
HUMPHRIES, J, T., SHEETS, L, P.
(1983).
INDUSTRIAL ELECTRICS
.
CALIFORNIA - USA:
BRETON.
Gaya MLA
HUMPHRIES, JAMES, T.., SHEETS, LESLIE, P..
"INDUSTRIAL ELECTRICS".
CALIFORNIA - USA:
BRETON,
1983.
Prodi S1 Teknik Sipil.