APA Style
Earley, Mark W.. (1996).
National Electrical Code Handbook 7th Edition .
Amerika:
National Fire Protection Association.
Chicago Style
Earley, Mark W..
National Electrical Code Handbook 7th Edition.
Amerika:
National Fire Protection Association,
1996.
Text.
MLA Style
Earley, Mark W..
National Electrical Code Handbook 7th Edition.
Amerika:
National Fire Protection Association,
1996.
Text.
Turabian Style
Earley, Mark W..
National Electrical Code Handbook 7th Edition.
Amerika:
National Fire Protection Association,
1996.
Print.