APA aipamena

United States. Federal Highway Administration & United States. National Advisory Committee on Uniform Traffic Control Devices. (1971). Manual on uniform traffic control devices for streets and highways. s. n.

Chicago Style aipamena

United States. Federal Highway Administration and United States. National Advisory Committee on Uniform Traffic Control Devices. Manual on Uniform Traffic Control Devices for Streets and Highways. Washington, D. C: s. n, 1971.

MLA aipamena

United States. Federal Highway Administration and United States. National Advisory Committee on Uniform Traffic Control Devices. Manual on Uniform Traffic Control Devices for Streets and Highways. s. n, 1971.