Gaya APA
Guide to the 2002 National Electrical Code. (2004).
[s.l.]:
[s.n.].
Gaya Chicago
Guide to the 2002 National Electrical Code.
.
[s.l.]:
[s.n.],
2004.
Text.
Gaya MLA
Guide to the 2002 National Electrical Code.
.
[s.l.]:
[s.n.],
2004.
Text.
Gaya Turabian
Guide to the 2002 National Electrical Code.
[s.l.]:
[s.n.],
2004.
Print.