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 Trinidad and Tobago. Central Statistical Office,"Economic activity report : type of worker employed, unemployed, occupation, industry",,Republic of Trinidad and Tobago,1995,1990 population and housing census,,,,https://cir.nii.ac.jp/crid/1130282269197352832