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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.