Singh B.B & Karthikeyan C. ; Aga F.A. (2022). Question Bank on Agricultural Extension: For ICAR`s Exams JRF SRF NET ARS IARI Ph.D SAU`s UPSC Civil Services ADO Banking and Other Competitive Examination (2nd.). Astral Cracker.
Παραπομπή σε μορφή Chicago (17η εκδ.)Singh B.B και Karthikeyan C. ; Aga F.A. Question Bank on Agricultural Extension: For ICAR`s Exams JRF SRF NET ARS IARI Ph.D SAU`s UPSC Civil Services ADO Banking and Other Competitive Examination. 2nd. New Delhi: Astral Cracker, 2022.
Παραπομπή σε μορφή MLA (9th εκδ.)Singh B.B και Karthikeyan C. ; Aga F.A. Question Bank on Agricultural Extension: For ICAR`s Exams JRF SRF NET ARS IARI Ph.D SAU`s UPSC Civil Services ADO Banking and Other Competitive Examination. 2nd. Astral Cracker, 2022.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.