Dixit, R. (2002). Cropping System Research (Reprinted.). Kalyani Publishers.
Chicago Style (17th ed.) ZitazioaDixit, R.S. Cropping System Research. Reprinted. New Delhi: Kalyani Publishers, 2002.
MLA (9th ed.) ZitazioaDixit, R.S. Cropping System Research. Reprinted. Kalyani Publishers, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.