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
International Labour Conference,"The minimum requirement of professional capacity in the case of captains, navigating and engineer officers in charge of watches on board merchant ships : fourth item IV on the agenda",,International Labour Office,1929,Questionnaire,,,,https://cir.nii.ac.jp/crid/1130282271490998400