Hair, D. (1963). Economic importance of timber in the United States. U.S. Department of Agriculture, Forest Service.
Цитирование в стиле Чикаго (17-е изд.)Hair, Dwight. Economic Importance of Timber in the United States. Washington: U.S. Department of Agriculture, Forest Service, 1963.
Цитирование MLA (9-е изд.)Hair, Dwight. Economic Importance of Timber in the United States. U.S. Department of Agriculture, Forest Service, 1963.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.