Gaya APA

Administration, F, H. (2003). Manual on Uniform Traffic Control Devices for Streets and Highways Part 4: Highway Traffic Signals (2003 edition). : Federal Highway Administration.

Gaya MLA

Administration, Federal, Highway. "Manual on Uniform Traffic Control Devices for Streets and Highways Part 4: Highway Traffic Signals". 2003 edition : Federal Highway Administration, 2003. Text.