(1949). Historical statistics of the United States 1789-1945: A supplement to the statistical abstract of the United States / prepared by the Bureau of the Census with the cooperation of the Social Science Research Council, 1949. U.S. Gov. Print. Off..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Historical Statistics of the United States 1789-1945: A Supplement to the Statistical Abstract of the United States / Prepared by the Bureau of the Census with the Cooperation of the Social Science Research Council, 1949. Washington: U.S. Gov. Print. Off., 1949.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Historical Statistics of the United States 1789-1945: A Supplement to the Statistical Abstract of the United States / Prepared by the Bureau of the Census with the Cooperation of the Social Science Research Council, 1949. U.S. Gov. Print. Off., 1949.