Gordon, D. G. (1993). Preserving Washington wildlands: A guide to the Nature Conservancy's preserves in Washington. Nature Conservancy, Washington Chapter ; Distributed by The Mountaineers Books.
Style de citation Chicago (17e éd.)Gordon, David G. Preserving Washington Wildlands: A Guide to the Nature Conservancy's Preserves in Washington. Seattle, WA : Seattle, WA: Nature Conservancy, Washington Chapter ; Distributed by The Mountaineers Books, 1993.
Style de citation MLA (8e éd.)Gordon, David G. Preserving Washington Wildlands: A Guide to the Nature Conservancy's Preserves in Washington. Nature Conservancy, Washington Chapter ; Distributed by The Mountaineers Books, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.