एपीए उद्धरण

(1973). Statistical Abstract of the United State 1973. Department of Commerce.

शिकागो स्टाइल उद्धरण

Statistical Abstract of the United State 1973. Washington, D.C: Department of Commerce, 1973.

एमएलए उद्धरण

Statistical Abstract of the United State 1973. Department of Commerce, 1973.