(1899). Yearbook of the United States Department of Agriculture: научное издание.
Chicagoスタイル(17版)引用形式Yearbook of the United States Department of Agriculture: научное издание. 1899.
MLA(9版)引用形式Yearbook of the United States Department of Agriculture: научное издание. 1899.
警告: この引用は必ずしも正確ではありません.