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