Estados Unidos. Bureau of Labor Statistics, & Estados Unidos. Bureau of Labor Statistics. (1960). Economic forces in the U.S.A. in facts and figures: The United States, its people, its labor force, and its economy (6. edition.). Washington.
Chicago Style CitationEstados Unidos. Bureau of Labor Statistics, and Estados Unidos. Bureau of Labor Statistics. Economic Forces in the U.S.A. in Facts and Figures: The United States, Its People, Its Labor Force, and Its Economy. 6. edition. Washington, 1960.
MLA CitationEstados Unidos. Bureau of Labor Statistics, and Estados Unidos. Bureau of Labor Statistics. Economic Forces in the U.S.A. in Facts and Figures: The United States, Its People, Its Labor Force, and Its Economy. 6. edition. Washington, 1960.