著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Okpaku, Joseph Ohiomogben and Opubor, Alfred E. and Oloruntimehin, B. Olatunji and Adesida, Jacob Olugbenga and Okpaku, Thomas and World Black and African Festival of Arts and Culture",Black civilization and science & technology,,Centre for Black and African Arts and Civilization,1986,The arts and civilization of black and African peoples,,,,https://cir.nii.ac.jp/crid/1130282270794131584