U.S. Bureau of Labor Statistics. (1941). Retail prices of food. U.S. Govt. Print. Off.
Style de citation Chicago (17e éd.)U.S. Bureau of Labor Statistics. Retail Prices of Food. Washington, D.C: U.S. Govt. Print. Off, 1941.
Style de citation MLA (9e éd.)U.S. Bureau of Labor Statistics. Retail Prices of Food. U.S. Govt. Print. Off, 1941.
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