National Research Council (U.S.). Highway Research Board. (1951). Highways with a narrow median: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board.
Цитирование в стиле Чикаго (17-е изд.)National Research Council (U.S.). Highway Research Board. Highways with a Narrow Median: Presented at the Thirtieth Annual Meeting, 1951. Washington, D.C: Highway Research Board, 1951.
Цитирование MLA (9-е изд.)National Research Council (U.S.). Highway Research Board. Highways with a Narrow Median: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board, 1951.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.