Não informado. (1971). Science and government report. Science and Government Reports.
Chicago-referens (17:e uppl.)Não informado. Science and Government Report. Washington: Science and Government Reports, 1971.
MLA-referens (8:e uppl.)Não informado. Science and Government Report. Science and Government Reports, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.