Williams, E. W. (1959). Freight transportation in the Soviet Union: A comparisons with the United States. National Bureau of Economic Research.
Цитирование в стиле Чикаго (17-е изд.)Williams, Ernest William. Freight Transportation in the Soviet Union: A Comparisons with the United States. [New York]: National Bureau of Economic Research, 1959.
Цитирование MLA (9-е изд.)Williams, Ernest William. Freight Transportation in the Soviet Union: A Comparisons with the United States. National Bureau of Economic Research, 1959.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.