United States. Bureau of Agricultural Economics. (1926). Official standards of U.S. for grades of wool and wool top. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Economics. Official Standards of U.S. for Grades of Wool and Wool Top. Washington: U.S. GPO, 1926.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Economics. Official Standards of U.S. for Grades of Wool and Wool Top. U.S. GPO, 1926.
Warning: These citations may not always be 100% accurate.