APA-ийн эшлэл(7 дахь хэвлэлт)

Singh B. B. (2019). Objective Agronomy: For Saus Entrance JRF/SRF/Ars/ ICAR/NET Civil Services & Other Competitive Examination. Daya Publishing House.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Singh B. B. Objective Agronomy: For Saus Entrance JRF/SRF/Ars/ ICAR/NET Civil Services & Other Competitive Examination. New Delhi: Daya Publishing House, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Singh B. B. Objective Agronomy: For Saus Entrance JRF/SRF/Ars/ ICAR/NET Civil Services & Other Competitive Examination. Daya Publishing House, 2019.