Chowdappa P & Singh B. B. (2020). Objective Plant Pathology: For SAUs and ICAR AIEEA PG Entrance Exam Ph.D. JRF SRF Civil Services Agricultural Officers Bank PO and Allied Agricultural Examination. Astral Cracker.
Chicago-referens (17:e uppl.)Chowdappa P och Singh B. B. Objective Plant Pathology: For SAUs and ICAR AIEEA PG Entrance Exam Ph.D. JRF SRF Civil Services Agricultural Officers Bank PO and Allied Agricultural Examination. New Delhi: Astral Cracker, 2020.
MLA-referens (9:e uppl.)Chowdappa P och Singh B. B. Objective Plant Pathology: For SAUs and ICAR AIEEA PG Entrance Exam Ph.D. JRF SRF Civil Services Agricultural Officers Bank PO and Allied Agricultural Examination. Astral Cracker, 2020.
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