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
"Ptak, Roderich","China, the Portuguese, and the Nanyang : oceans and routes, regions and trade (c. 1000-1600)",,Ashgate Variorum,2004,Variorum collected studies series,,0860789233,,https://cir.nii.ac.jp/crid/1130000796794020608