Παραπομπή σε μορφή APA (7η εκδ.)

OLU OBI, A., ADEPETU, J., & UPONI, J. (2020). CROP TOLERANCE OF SOIL ACIDITY RESULTING FROM LONG-TERM CONTINUOUS APPLICATION OF NITROGEN FERTILIZERS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.

Παραπομπή σε μορφή Chicago (17η εκδ.)

OLU OBI, A., J.A ADEPETU, και J.l UPONI. CROP TOLERANCE OF SOIL ACIDITY RESULTING FROM LONG-TERM CONTINUOUS APPLICATION OF NITROGEN FERTILIZERS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

OLU OBI, A., et al. CROP TOLERANCE OF SOIL ACIDITY RESULTING FROM LONG-TERM CONTINUOUS APPLICATION OF NITROGEN FERTILIZERS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.