Gedney, D. R., & Henley, J. W. (1971). Utilization estimates for western softwoods - trees, logs, and residue. Pacific Northwest Forest and Range Experiment Station, USDA Forest Service.
Chicago-Zitierstil (17. Ausg.)Gedney, Donald R., und John W. Henley. Utilization Estimates for Western Softwoods - Trees, Logs, and Residue. Portland, Or: Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, 1971.
MLA-Zitierstil (9. Ausg.)Gedney, Donald R., und John W. Henley. Utilization Estimates for Western Softwoods - Trees, Logs, and Residue. Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.