United States. Department of Commerce. (1924). Size and character of grains of nonmetallic mineral fillers. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Size and Character of Grains of Nonmetallic Mineral Fillers. [Washington]: GPO, 1924.
MLA (9th ed.) CitationUnited States. Department of Commerce. Size and Character of Grains of Nonmetallic Mineral Fillers. GPO, 1924.
Warning: These citations may not always be 100% accurate.