توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

National Joint Committee on Uniform Traffic Control Devices. (1961). Manual on uniform traffic control devices for streets and highways. Bureau of Public Roads.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

National Joint Committee on Uniform Traffic Control Devices. Manual on Uniform Traffic Control Devices for Streets and Highways. Wash.: Bureau of Public Roads, 1961.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

National Joint Committee on Uniform Traffic Control Devices. Manual on Uniform Traffic Control Devices for Streets and Highways. Bureau of Public Roads, 1961.