Hal, J. a. (1972). Forest fuels, prescribed fire, and air quality. Pacific Northwest Forest and Range Experiment Station Forest Service U.S. Department of Agriculture Portland.
Citazione stile Chigago Style (17a edizione)Hal, J. alfred. Forest Fuels, Prescribed Fire, and Air Quality. Oregon: Pacific Northwest Forest and Range Experiment Station Forest Service U.S. Department of Agriculture Portland, 1972.
Citatione MLA (9a ed.)Hal, J. alfred. Forest Fuels, Prescribed Fire, and Air Quality. Pacific Northwest Forest and Range Experiment Station Forest Service U.S. Department of Agriculture Portland, 1972.
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