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. Securities and Exchange Commission,RCA Corporation,,In-house reproduction,1978,Annual report pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934,,,,https://cir.nii.ac.jp/crid/1130282272931714432