Não informado. (2014). Monthly Catalog of United States Government Publications. United States Government Publications.
Chicago-referens (17:e uppl.)Não informado. Monthly Catalog of United States Government Publications. Washington: United States Government Publications, 2014.
MLA-referens (8:e uppl.)Não informado. Monthly Catalog of United States Government Publications. United States Government Publications, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.