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 Conference of State Directors in Charge of the Local Administration of the Maternity and Infancy Act,"Proceedings of the fourth annual Conference of state directors in charge of the local administration of the maternity and infancy act : (act of Congress of November 23, 1921) : held in Washington, D. C. January 11-13, 1927",,Goverment Printing Office,1927,Bureau publication,,,,https://cir.nii.ac.jp/crid/1130292771550581277