(1915). Yearbook of the United States Department of Agriculture 1915. Government Printing.
Цитирование в стиле Чикаго (17-е изд.)Yearbook of the United States Department of Agriculture 1915. Washington: Government Printing, 1915.
Цитирование MLA (9-е изд.)Yearbook of the United States Department of Agriculture 1915. Government Printing, 1915.
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