Gupta, V. S. (1992). Crop improvement: V.1. Physiological attributes. Oxford & IBH publishing co. pvt. ltd.
Čikaški stil citiranjaGupta, V S. Crop Improvement: V.1. Physiological Attributes. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1992.
MLA način citiranjaGupta, V S. Crop Improvement: V.1. Physiological Attributes. Oxford & IBH publishing co. pvt. ltd, 1992.
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