Gaya APA
Stallcup, James G.. (1989).
Illustrated changes of the 1990 NEC .
United States Of America:
American Technical Publishers, Inc..
Gaya Chicago
Stallcup, James G..
Illustrated changes of the 1990 NEC.
United States Of America:
American Technical Publishers, Inc.,
1989.
Text.
Gaya MLA
Stallcup, James G..
Illustrated changes of the 1990 NEC.
United States Of America:
American Technical Publishers, Inc.,
1989.
Text.
Gaya Turabian
Stallcup, James G..
Illustrated changes of the 1990 NEC.
United States Of America:
American Technical Publishers, Inc.,
1989.
Print.