Παραπομπή σε μορφή APA (7η εκδ.)

Obi, A. O., & Adepetu, J. A. (2015). Response of Two Lowland Rice Varieties to N, P and a Combination of Other Nutrients in a Flooded Soil. Faculty of Agriculture, University of Ife.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Obi, A. O., και J. A. Adepetu. Response of Two Lowland Rice Varieties to N, P and a Combination of Other Nutrients in a Flooded Soil. Faculty of Agriculture, University of Ife, 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Obi, A. O., και J. A. Adepetu. Response of Two Lowland Rice Varieties to N, P and a Combination of Other Nutrients in a Flooded Soil. Faculty of Agriculture, University of Ife, 2015.