Gaya APA
Energy Saving Lighting Systems. (1982).
New York:
VNR.
Gaya Chicago
Energy Saving Lighting Systems.
.
New York:
VNR,
1982.
.
Gaya MLA
Energy Saving Lighting Systems.
.
New York:
VNR,
1982.
.
Gaya Turabian
Energy Saving Lighting Systems.
New York:
VNR,
1982.
.