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
"Humphreys, Rob and Richardson, Dan and Wurmfield, Eden and Parizhskaya, Anna and Philips, Catherine and Katsuba, Valera",St. Petersburg : the rough guide,,Rough Guides,1993,Rough guides,,1858280303,,https://cir.nii.ac.jp/crid/1130282271399412096