Παραπομπή APA

Singh, R. S. (1975). Plant diseases (3.). Oxford I B H publishing company.

Παραπομπή Chicago Style

Singh, R S. Plant Diseases. 3. New Delhi: Oxford I B H publishing company, 1975.

Παραπομπή MLA

Singh, R S. Plant Diseases. 3. Oxford I B H publishing company, 1975.