American Association of State Highway Officials. (1955). Policy on maintenance of safety and traffic control devices and related traffic services. Amer. Assoc. of State Highway Officials.
Цитирование в стиле Чикаго (17-е изд.)American Association of State Highway Officials. Policy on Maintenance of Safety and Traffic Control Devices and Related Traffic Services. Washington, D.C.: Amer. Assoc. of State Highway Officials, 1955.
Цитирование MLA (8-е изд.)American Association of State Highway Officials. Policy on Maintenance of Safety and Traffic Control Devices and Related Traffic Services. Amer. Assoc. of State Highway Officials, 1955.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.