United States. Department of Health, Education, and Welfare. (1929). Health of workers in dusty trades: II. Exposure to siliceous dust (granite industry). GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare. Health of Workers in Dusty Trades: II. Exposure to Siliceous Dust (granite Industry). [Washington]: GPO, 1929.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare. Health of Workers in Dusty Trades: II. Exposure to Siliceous Dust (granite Industry). GPO, 1929.
Warning: These citations may not always be 100% accurate.