Dutta, S. (1991). Biological nitrogen fixation associated with: Rice production. Oxford and IBH.
Cita Chicago (17th ed.)Dutta, S.K. Biological Nitrogen Fixation Associated with: Rice Production. New Delhi: Oxford and IBH, 1991.
Cita MLA (9th ed.)Dutta, S.K. Biological Nitrogen Fixation Associated with: Rice Production. Oxford and IBH, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.