Ellison, B. K. (1973). Labour intensive methods in road construction. Dept. of Public Works, Roads and Bridges Division.
Цитирование в стиле Чикаго (17-е изд.)Ellison, B. K. Labour Intensive Methods in Road Construction. [Port Moresby]: Dept. of Public Works, Roads and Bridges Division, 1973.
Цитирование MLA (9-е изд.)Ellison, B. K. Labour Intensive Methods in Road Construction. Dept. of Public Works, Roads and Bridges Division, 1973.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.