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