The izon of the Niger delta

The izon of the Niger delta / edited by Ebiegberi Joe Alagoa, Tekena Nitonye Tamuno, John Pepper Clark . Port Harcourt : Onyoma Research Publications, 2009 . xviii, 851 stran . ISBN 978-978-8195-10-8 (vázáno) .   [1, z toho volných 1]