Não informado. (1968). Government Reports Index. U.S. Department of Commerce, National Technical Information Service.
Čikaški stil citiranja (17. izdanje)Não informado. Government Reports Index. Washington: U.S. Department of Commerce, National Technical Information Service, 1968.
MLA način citiranja (8. izdanje)Não informado. Government Reports Index. U.S. Department of Commerce, National Technical Information Service, 1968.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.