Gupta, V. S. (1992). Crop improvement: V.1. Physiological attributes. Oxford & IBH publishing co. pvt. ltd.
Chicago Edition CitationGupta, V S. Crop Improvement: V.1. Physiological Attributes. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1992.
Deismireacht MLAGupta, V S. Crop Improvement: V.1. Physiological Attributes. Oxford & IBH publishing co. pvt. ltd, 1992.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.