Pacific Northwest Forest and Range Experiment Station (Portland, Or.), United States. Forest Service, Hendee, J. C., Clark, R. N., Hogans, M. L., Wood, D., & Koch,, R. W. (1976). Code-a-site: A system for inventory of dispersed recreational sites in roaded areas, back country, and wilderness. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.
Citação do estilo Chicago (17ª ed.)Pacific Northwest Forest and Range Experiment Station (Portland, Or.), United States. Forest Service, John C. Hendee, Roger N. Clark, Mack L. Hogans, Dan Wood, e Russell W. Koch. Code-a-site: A System for Inventory of Dispersed Recreational Sites in Roaded Areas, Back Country, and Wilderness. Portland, Or: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976.
Citação MLA (9ª ed.)Pacific Northwest Forest and Range Experiment Station (Portland, Or.), et al. Code-a-site: A System for Inventory of Dispersed Recreational Sites in Roaded Areas, Back Country, and Wilderness. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976.