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