Não informado. (1984). Issues in Science and Technology. National Academy of Sciences.
Chicago-referens (17:e uppl.)Não informado. Issues in Science and Technology. Washington: National Academy of Sciences, 1984.
MLA-referens (8:e uppl.)Não informado. Issues in Science and Technology. National Academy of Sciences, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.