Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.