Sources of supply of commodities covered by commercial standards.

APA Citation

United States. National Bureau of Standards. (1934). Sources of supply of commodities covered by commercial standards. Washington, D.C.: U.S. Dept. of Commerce, National Bureau of Standards.

MLA Citation

United States. National Bureau of Standards. Sources of Supply of Commodities Covered by Commercial Standards. Washington, D.C.: U.S. Dept. of Commerce, National Bureau of Standards, 1934.