Kaufman, J. E., & Christensen, J. F. (1987). IES lighting handbook. Illuminating Engineering Society of North America.
Cita Chicago (17th ed.)Kaufman, John E., i Jack F. Christensen. IES Lighting Handbook. Nueva York: Illuminating Engineering Society of North America, 1987.
Cita MLA (9th ed.)Kaufman, John E., i Jack F. Christensen. IES Lighting Handbook. Illuminating Engineering Society of North America, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.