National Cooperative Highway Research Program. (1980). Guidelines for selecting traffic signal control at individual intersections. NCHRP.
Цитирование в стиле Чикаго (17-е изд.)National Cooperative Highway Research Program. Guidelines for Selecting Traffic Signal Control at Individual Intersections. [Washington, D.C.]: NCHRP, 1980.
Цитирование MLA (9-е изд.)National Cooperative Highway Research Program. Guidelines for Selecting Traffic Signal Control at Individual Intersections. NCHRP, 1980.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.