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
"Ikonné, Chidi and Eko, Ebele and Oku, Julia and University of Calabar. Dept. of English and Literary Studies",Black culture and Black consciousness in literature,,Heinemann Educational Books (Nigeria),1987,Calabar studies in African literature,,9781298456,,https://cir.nii.ac.jp/crid/1130282272017040000