Agbègbè Ìjọba Ìbílẹ Ekwusigo j́ẹ ìjọba ìbíl̀ẹ ní Ìpínlẹ̀ Anambra ní ní orílè èdè Naijiria. Ibùjóko rẹ́ wà ní Ozzubulu. Kelechikwu Emmanuel Oguejiofor (26 July 2014). Explaining Effective Marketing in Contemporary Globalism. Trafford Publishing. pp. 5–. ISBN 978-1-4907-4259-5. http://books.google.com/books?id=jYeIBAAAQBAJ&pg=PR5.