(1996). American national standard practice for tunnel lighting. New York: Illuminating Engineering Society of North America.
Παραπομπή Chicago StyleAmerican National Standard Practice for Tunnel Lighting. New York: Illuminating Engineering Society of North America, 1996.
Παραπομπή MLAAmerican National Standard Practice for Tunnel Lighting. New York: Illuminating Engineering Society of North America, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.