United States. Bureau of the Census. Per capita retail sales in the United States, by counties, 1972.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Per Capita Retail Sales in the United States, by Counties, 1972.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Per Capita Retail Sales in the United States, by Counties, 1972.
Warning: These citations may not always be 100% accurate.