Raettig, T. L., & Christensen, H. H. (1999). Timber harvesting, processing, and employment in the northwest economic adjustment initiative region: Changes and economic assistance. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationRaettig, Terry L., and Harriet H. Christensen. Timber Harvesting, Processing, and Employment in the Northwest Economic Adjustment Initiative Region: Changes and Economic Assistance. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1999.
MLA (9th ed.) CitationRaettig, Terry L., and Harriet H. Christensen. Timber Harvesting, Processing, and Employment in the Northwest Economic Adjustment Initiative Region: Changes and Economic Assistance. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1999.