Citace podle APA (7th ed.)
(1977). Statistical abstract of the United States 1977. Department of Commerce : National Bureau of Standards.
Citace podle Chicago (17th ed.)
Statistical Abstract of the United States 1977. Washington, EUA: Department of Commerce : National Bureau of Standards, 1977.
Citace podle MLA (9th ed.)
Statistical Abstract of the United States 1977. Department of Commerce : National Bureau of Standards, 1977.
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