Blyth, J. E., & Weatherspoon, A. K. :. S. (1992). Michigan timber industry an assessment of timber product output and use. U.S. Department of agriculture.
Цитирование в стиле Чикаго (17-е изд.)Blyth, James E., и Anthony K : Smith Weatherspoon. Michigan Timber Industry an Assessment of Timber Product Output and Use. Minnestoa: U.S. Department of agriculture, 1992.
Цитирование MLA (9-е изд.)Blyth, James E., и Anthony K : Smith Weatherspoon. Michigan Timber Industry an Assessment of Timber Product Output and Use. U.S. Department of agriculture, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.