U.S.DepartmentofAgriculture,OfficeofExperimentStations. (1900). Farmers’ bulletin: научное издание. No 26-50.
Cita Chicago (17th ed.)U.S.DepartmentofAgriculture,OfficeofExperimentStations. Farmers’ Bulletin: научное издание. No 26-50. 1900.
Cita MLA (9th ed.)U.S.DepartmentofAgriculture,OfficeofExperimentStations. Farmers’ Bulletin: научное издание. No 26-50. 1900.
Atenció: Aquestes cites poden no estar 100% correctes.