OLU-OBI, A., HEDLIN , R. A., & CHO, C. M. (2020). FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
Chicago-viite (17. p.)OLU-OBI, A., R. A. HEDLIN , ja C. M. CHO. FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
MLA-viite (9. p.)OLU-OBI, A., et al. FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.