Adepetu, J. A. (2013). Soil and Nigerian Food Security. Obafemi Awolowo University Press.
Chicago-čujuhus (17. p.)Adepetu, J. A. Soil and Nigerian Food Security. Obafemi Awolowo University Press, 2013.
MLA-čujuhus (9. p.)Adepetu, J. A. Soil and Nigerian Food Security. Obafemi Awolowo University Press, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.