Παραπομπή APA

(1899). Yearbook of the United States Department of Agriculture: 1898. Washington: U.S. Government Printing Office.

Παραπομπή Chicago Style

Yearbook of the United States Department of Agriculture: 1898. Washington: U.S. Government Printing Office, 1899.

Παραπομπή MLA

Yearbook of the United States Department of Agriculture: 1898. Washington: U.S. Government Printing Office, 1899.

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