Rast, E. D. (1988). Photographic guide to selected external defect indicators and associated internal defects in black walnut. Broomall, PA : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station.
Style de citation Chicago (17e éd.)Rast, Everette D. Photographic Guide to Selected External Defect Indicators and Associated Internal Defects in Black Walnut. Broomall, PA : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1988.
Style de citation MLA (8e éd.)Rast, Everette D. Photographic Guide to Selected External Defect Indicators and Associated Internal Defects in Black Walnut. Broomall, PA : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1988.
Style de citation IICA/CATIERast, E. D. 1988. Photographic guide to selected external defect indicators and associated internal defects in black walnut. Broomall, PA : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station.