Illuminating Engineering Society & Kaufman, J. E. e. (1966). IES lighting handbook: The standard lighting guide (4th ed.). IES.
Dyfyniad Arddull ChicagoIlluminating Engineering Society and John E. ed Kaufman. IES Lighting Handbook: The Standard Lighting Guide. 4th ed. New York: IES, 1966.
Dyfyniad MLAIlluminating Engineering Society and John E. ed Kaufman. IES Lighting Handbook: The Standard Lighting Guide. 4th ed. IES, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.