Παραπομπή σε μορφή APA (7η εκδ.)

Osiname, O. A. (2015). Effects of Phosphorus and Zinc on Maize and Cowpea Grown on Alfisols in Southern Nigeria. Faculty of Agriculture, University of Ife.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Osiname, O. A. Effects of Phosphorus and Zinc on Maize and Cowpea Grown on Alfisols in Southern Nigeria. Faculty of Agriculture, University of Ife, 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Osiname, O. A. Effects of Phosphorus and Zinc on Maize and Cowpea Grown on Alfisols in Southern Nigeria. Faculty of Agriculture, University of Ife, 2015.