APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

OLU-OBI, A., R. A. HEDLIN , ба C. M. CHO. FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.

MLA -ийн эшлэл (9 дэх хэвлэлт)

OLU-OBI, A., et al. FATE OF ADDED NITROGEN IN SOILS. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.