APA (7th ed.) Zitazioa

(1900). Yearbook of the United States Department of Agriculture: научное издание.

Chicago Style (17th ed.) Zitazioa

Yearbook of the United States Department of Agriculture: научное издание. 1900.

MLA (9th ed.) Zitazioa

Yearbook of the United States Department of Agriculture: научное издание. 1900.

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