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
"Eke, Kenoye Kelvin","Nigeria's foreign policy under two military governments, 1966-1979 : an analysis of the Gowan and Muhammed/Obasanjo regimes",,E. Mellen Press,1990,African studies,,0889461716,,https://cir.nii.ac.jp/crid/1130000795903272704