Singh, R. S. (1991). Diseases of vegetabel crops (3.). Oxford & IBH publishing co. pvt. ltd.
Chicago Edition CitationSingh, R S. Diseases of Vegetabel Crops. 3. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1991.
Cita MLASingh, R S. Diseases of Vegetabel Crops. 3. Oxford & IBH publishing co. pvt. ltd, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.