International Commission on Illumination. (1995). Maintained night-time visibility of retroreflective road signs. Commission Internationale de l'Éclairage.
Chicago Style (17th ed.) CitationInternational Commission on Illumination. Maintained Night-time Visibility of Retroreflective Road Signs. Vienna: Commission Internationale de l'Éclairage, 1995.
MLA (9th ed.) CitationInternational Commission on Illumination. Maintained Night-time Visibility of Retroreflective Road Signs. Commission Internationale de l'Éclairage, 1995.
Warning: These citations may not always be 100% accurate.