Cita APA

Singh, R. S. (2002). Introduction to principles of plant pathology (4.). Oxford I B H publishing company.

Chicago Edition Citation

Singh, R S. Introduction to Principles of Plant Pathology. 4. New Delhi: Oxford I B H publishing company, 2002.

Cita MLA

Singh, R S. Introduction to Principles of Plant Pathology. 4. Oxford I B H publishing company, 2002.