(2011). Family income and expenditures: Regional patterns in family income (last of a three-part series). Labstat Updates.
Chicago-referens (17:e uppl.)"Family Income and Expenditures: Regional Patterns in Family Income (last of a Three-part Series)." Labstat Updates 2011.
MLA-referens (9:e uppl.)"Family Income and Expenditures: Regional Patterns in Family Income (last of a Three-part Series)." Labstat Updates, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.