Tumi, O. (2015). Cameroon area studies: An advanced study geography (New syllabus specification.). Verlag nicht ermittelbar.
Citazione stile Chigago Style (17a edizione)Tumi, Obed. Cameroon Area Studies: An Advanced Study Geography. New syllabus specification. Mankon: Verlag nicht ermittelbar, 2015.
Citatione MLA (9a ed.)Tumi, Obed. Cameroon Area Studies: An Advanced Study Geography. New syllabus specification. Verlag nicht ermittelbar, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.