Dyfyniad APA

U.S.DepartmentofAgriculture,OfficeofExperimentStations. (1900). Farmers’ bulletin: научное издание. No 26-50.

Dyfyniad Arddull Chicago

U.S.DepartmentofAgriculture,OfficeofExperimentStations. Farmers’ Bulletin: научное издание. No 26-50. 1900.

Dyfyniad MLA

U.S.DepartmentofAgriculture,OfficeofExperimentStations. Farmers’ Bulletin: научное издание. No 26-50. 1900.

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