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 "Ashley, Stephen","Bulgarian nationalism (1830-1876) : the ideals and careers of Ivan Bogorov, Georgi Rakovski and Petko Slaveikov",,"British Library, Document Supply Centre",1984,British thesis,,,,https://cir.nii.ac.jp/crid/1130282273260704256