Romano, C. (2007). Columbia Highlands: Exploring Washington's last frontier. Conservation Northwest : Mountaineers Books.
Style de citation Chicago (17e éd.)Romano, Craig. Columbia Highlands: Exploring Washington's Last Frontier. Seattle, Wash.: Conservation Northwest : Mountaineers Books, 2007.
Style de citation MLA (8e éd.)Romano, Craig. Columbia Highlands: Exploring Washington's Last Frontier. Conservation Northwest : Mountaineers Books, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.