Pacific Northwest Research Station (Portland, Or.), & McGinnis, W. J. (1997). County portraits of Washington State. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Style de citation Chicago (17e éd.)Pacific Northwest Research Station (Portland, Or.), et Wendy J. McGinnis. County Portraits of Washington State. Portland, Or. (333 S.W. First Ave., Portland 97208-3890): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1997.
Style de citation MLA (8e éd.)Pacific Northwest Research Station (Portland, Or.), et Wendy J. McGinnis. County Portraits of Washington State. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.