Singh, R. S. (1963). Plant Disease (7th ed.). Oxford & IBH Publishing Company.
Chicago Style (17th ed.) ZitazioaSingh, R. S. Plant Disease. 7th ed. New Delhi: Oxford & IBH Publishing Company, 1963.
MLA (9th ed.) ZitazioaSingh, R. S. Plant Disease. 7th ed. Oxford & IBH Publishing Company, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.