Doobereiner, J. Nitrogen- fixing bacteria in nonleguminous crop plants.
Cita Chicago Style (17a ed.)Doobereiner, Johanna. Nitrogen- Fixing Bacteria in Nonleguminous Crop Plants.
Cita MLA (9a ed.)Doobereiner, Johanna. Nitrogen- Fixing Bacteria in Nonleguminous Crop Plants.
Precaución: Estas citas no son 100% exactas.