Gupta, U. (1997). Crop improvement V.2 Stress tolerance. Oxford and IBH publishing.
Chicago Stili AlıntıGupta, U.S. Crop Improvement V.2 Stress Tolerance. New Delhi: Oxford and IBH publishing, 1997.
MLA AlıntıGupta, U.S. Crop Improvement V.2 Stress Tolerance. Oxford and IBH publishing, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..