APA (7e ed.) Bronvermelding

(2011). Family income and expenditures: Regional patterns in family income (last of a three-part series). Labstat Updates.

Chicago (17e ed.) Bronvermelding

"Family Income and Expenditures: Regional Patterns in Family Income (last of a Three-part Series)." Labstat Updates 2011.

MLA (9e ed.) Bronvermelding

"Family Income and Expenditures: Regional Patterns in Family Income (last of a Three-part Series)." Labstat Updates, 2011.