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 United States. Bureau of Labor Statistics and Association of Governmental Officials in Industry of the United States and Canada. Annual convention,"Association of Governmental Officials in Industry of the United States and Canada (formerly Association of Governmental Labor Officials) : sixteenth annual convention, Toronto, Canada, June 4-7, 1929",,"U.S. G.P.O,For sale by the Supt. of Docs., U.S. G.P.O.",1930,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000798167177088