Obisesan, I. (2019). Yield, the ultimate in crop improvement. Obafemi Awolowo University Press.
Chicago Style (17. basım) AtıfObisesan, I.O. Yield, the Ultimate in Crop Improvement. Obafemi Awolowo University Press, 2019.
MLA (9th ed.) AtıfObisesan, I.O. Yield, the Ultimate in Crop Improvement. Obafemi Awolowo University Press, 2019.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..