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
"Van Valkenburg, Samuel and Stotz, Carl L.",Elements of political geography,2nd ed,Prentice-Hall of India (PVT.),1963,Prentice-Hall geography series,,,,https://cir.nii.ac.jp/crid/1130282272308046592