Grade marking of lumber for the consumers' protection :
report of the Subcommittee on the Grade Marking of Lumber of the National Committee on Wood Utilization.

APA Citation

National Committee on Wood Utilization (U.S.)., United States. Dept. of Commerce. (1928). Grade marking of lumber for the consumers' protection: report of the Subcommittee on the Grade Marking of Lumber of the National Committee on Wood Utilization. Washington: G.P.O..

MLA Citation

National Committee on Wood Utilization (U.S.), and United States. Dept. of Commerce. Grade Marking of Lumber for the Consumers' Protection: Report of the Subcommittee On the Grade Marking of Lumber of the National Committee On Wood Utilization. Washington: G.P.O., 1928.