Department, G. (2019). Soil Geography. Obafemi Awolowo University.
Citazione stile Chigago Style (17a edizione)Department, Geography. Soil Geography. Obafemi Awolowo University, 2019.
Citatione MLA (9a ed.)Department, Geography. Soil Geography. Obafemi Awolowo University, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.