International Commission on Illumination. (1980). Light signals for road traffic control. Bureau Central de la CIE.
Chicago Style (17th ed.) CitationInternational Commission on Illumination. Light Signals for Road Traffic Control. Paris, France: Bureau Central de la CIE, 1980.
MLA (8th ed.) CitationInternational Commission on Illumination. Light Signals for Road Traffic Control. Bureau Central de la CIE, 1980.
Warning: These citations may not always be 100% accurate.