Não informado. (1927). Current farm economics. Oklahoma Agricultural Experiment Station.
Chicago Style (17th ed.) CitationNão informado. Current Farm Economics. Stillwater, Okla: Oklahoma Agricultural Experiment Station, 1927.
MLA (8th ed.) CitationNão informado. Current Farm Economics. Oklahoma Agricultural Experiment Station, 1927.
Warning: These citations may not always be 100% accurate.