Não informado. (1968). Government Reports Index. U.S. Department of Commerce, National Technical Information Service.
Chicago Style (17th ed.) CitationNão informado. Government Reports Index. Washington: U.S. Department of Commerce, National Technical Information Service, 1968.
MLA (8th ed.) CitationNão informado. Government Reports Index. U.S. Department of Commerce, National Technical Information Service, 1968.
Warning: These citations may not always be 100% accurate.