Gaya APA
FIRTH,C.B. (1974).
Electrical Drawing .
London:
McGRAW-HILL BOOK COMPANY.
Gaya Chicago
FIRTH,C.B.
Electrical Drawing.
London:
McGRAW-HILL BOOK COMPANY,
1974.
Teks.
Gaya MLA
FIRTH,C.B.
Electrical Drawing.
London:
McGRAW-HILL BOOK COMPANY,
1974.
Teks.
Gaya Turabian
FIRTH,C.B.
Electrical Drawing.
London:
McGRAW-HILL BOOK COMPANY,
1974.
Teks.