APA সাইটেশন

Singh, B. B. (2018). Agriculture for competitive examinations: IFS (Agri). Daya Publishing house A Division of Astral International Pvt. Ltd.

শিকাগো স্টাইলে সাইটেশন

Singh, B B. Agriculture for Competitive Examinations: IFS (Agri). New Delhi: Daya Publishing house A Division of Astral International Pvt. Ltd, 2018.

এমএলএ সাইটেশন

Singh, B B. Agriculture for Competitive Examinations: IFS (Agri). Daya Publishing house A Division of Astral International Pvt. Ltd, 2018.