Obioma, G., Nwagbara, C., & Olagunju, D. (2017). Civic education for junior secondary schools (First published 2009, revised 2017, 9-year universal basic education curriculum edition.). West African Book Publishers Ltd.
Citazione stile Chigago Style (17a edizione)Obioma, Godswill, Chinyere Nwagbara, e Dayo Olagunju. Civic Education for Junior Secondary Schools. First published 2009, revised 2017, 9-year universal basic education curriculum edition. Lagos: West African Book Publishers Ltd, 2017.
Citatione MLA (9a ed.)Obioma, Godswill, et al. Civic Education for Junior Secondary Schools. First published 2009, revised 2017, 9-year universal basic education curriculum edition. West African Book Publishers Ltd, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.