Roofing farm buildings /
prepared by Agricultural Engineering Research Division, Agricultural Research Service.

APA Citation

United States. Agricultural Research Service. Agricultural Engineering Research Division. (1967). Roofing farm buildings. Slightly rev. July 1967. Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

United States. Agricultural Research Service. Agricultural Engineering Research Division. Roofing Farm Buildings. Slightly rev. July 1967. Washington, D.C.: U.S. Dept. of Agriculture, 1967.