Não informado. (1991). Proceedings of the National Science Council. National Science Council.
Chicago-referens (17:e uppl.)Não informado. Proceedings of the National Science Council. Taipei: National Science Council, 1991.
MLA-referens (8:e uppl.)Não informado. Proceedings of the National Science Council. National Science Council, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.