West African Examinations Council. (2011). Geography 1 & 2. WAEC - West African Examinations Council Liberia.
Citazione stile Chigago Style (17a edizione)West African Examinations Council. Geography 1 & 2. [Monrovia]: WAEC - West African Examinations Council Liberia, 2011.
Citatione MLA (9a ed.)West African Examinations Council. Geography 1 & 2. WAEC - West African Examinations Council Liberia, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.