Luebben, C. (2007). Rock climbing anchors: A comprehensive guide. Mountaineers Books.
Cita Chicago Style (17a ed.)Luebben, Craig. Rock Climbing Anchors: A Comprehensive Guide. Seattle, Wash.: Mountaineers Books, 2007.
Cita MLA (8a ed.)Luebben, Craig. Rock Climbing Anchors: A Comprehensive Guide. Mountaineers Books, 2007.
Precaución: Estas citas no son 100% exactas.