Citazione APA

Gupta, U. (1997). Crop improvement V.2 stress tolerance. Oxford I B H publishing company.

Stile di citazione Chicago

Gupta, U.S. Crop Improvement V.2 Stress Tolerance. New Delhi: Oxford I B H publishing company, 1997.

Citazione MLA

Gupta, U.S. Crop Improvement V.2 Stress Tolerance. Oxford I B H publishing company, 1997.