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. President ( : Truman) and United States. Congress. House and United States. Dept. of State,"First semiannual report on the Mutual Defense Assistance Program : message from the President of the United States transmitting the first semiannual report on the Mutual Defense Assistance Program, covering the period from the inception of the program to April 6, 1950",,United States Government Printing Office,1950,General foreign policy series,,,,https://cir.nii.ac.jp/crid/1130000794673525888