HELMS N RONALD. LIGHTING FOR ENERGY EFFICIENT LUMINIOUS ENVIRONMENTS. PRENTICE HALL.
Chicago Edition CitationHELMS N RONALD. LIGHTING FOR ENERGY EFFICIENT LUMINIOUS ENVIRONMENTS. PRENTICE HALL.
MLA Edition CitationHELMS N RONALD. LIGHTING FOR ENERGY EFFICIENT LUMINIOUS ENVIRONMENTS. PRENTICE HALL.
Warning: These citations may not always be 100% accurate.