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 "Vaughan, G. Edgar","Portuguese East Africa (Moçambique) : economic and commercial conditions in Portuguese East Africa (Moçambique), October, 1951",,H.M.S.O,1952,Overseas economic surveys,,,,https://cir.nii.ac.jp/crid/1130282273303027456