Singh, R. S. (1990). Plant Diseases (6th ed.). Oxford & IBH Publishing Co. Pvt. Ltd..
Citación estilo ChicagoSingh, R. S. Plant Diseases. 6th ed. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd., 1990.
Cita MLASingh, R. S. Plant Diseases. 6th ed. Oxford & IBH Publishing Co. Pvt. Ltd., 1990.
Warning: These citations may not always be 100% accurate.