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