U.S.DepartmentofAgriculture,OfficeofExperimentStations. (1900). Farmers’ bulletin: научное издание. No 26-50.
Citazione stile Chigago Style (17a edizione)U.S.DepartmentofAgriculture,OfficeofExperimentStations. Farmers’ Bulletin: научное издание. No 26-50. 1900.
Citatione MLA (9a ed.)U.S.DepartmentofAgriculture,OfficeofExperimentStations. Farmers’ Bulletin: научное издание. No 26-50. 1900.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.