United States. Department of Health, Education, and Welfare. (1928). Health of workers in dusty trades: I. Health of workers in Portland cement plant. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare. Health of Workers in Dusty Trades: I. Health of Workers in Portland Cement Plant. [Washington]: GPO, 1928.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare. Health of Workers in Dusty Trades: I. Health of Workers in Portland Cement Plant. GPO, 1928.
Warning: These citations may not always be 100% accurate.