APA (7th ed.) Zitazioa

Singh, R. S. (1990). Plant Diseases (6th ed.). Oxford & IBH Publishing Co. Pvt. Ltd..

Chicago Style (17th ed.) Zitazioa

Singh, R. S. Plant Diseases. 6th ed. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd., 1990.

MLA (9th ed.) Zitazioa

Singh, R. S. Plant Diseases. 6th ed. Oxford & IBH Publishing Co. Pvt. Ltd., 1990.