Neeraj Pratap Singh. (2004). Question bank on agriculture for competitive exams. International book distributors.
Chicago Stili AlıntıNeeraj Pratap Singh. Question Bank on Agriculture for Competitive Exams. Lucknow: International book distributors, 2004.
MLA AlıntıNeeraj Pratap Singh. Question Bank on Agriculture for Competitive Exams. International book distributors, 2004.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..