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
"Gerakov, Gavrīil Vasilʹevich","Prodolzhenie putevykh zapisok po mnogim rossiiskim guberniiam, 1820-go i nachala 1821-go",,University Microfilms International,1979,Russian history and culture : scarce books on 19th and 20th century Russia from the Helsinki University Library,,,,https://cir.nii.ac.jp/crid/1130282272669576320