APA-referens (7:e uppl.)

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-referens (17:e uppl.)

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-referens (9:e uppl.)

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.

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