Turner, James Morton (July 2002). "From Woodcraft to 'Leave No Trace': Wilderness, Consumerism, and Environmentalism in Twentieth-Century America". Environmental History. 7 (3): 462–484. doi:10.2307/3985918. JSTOR3985918. S2CID133079776.
Simon, Gregory L.; Alagona, Peter S. (2013). "Contradictions at the confluence of commerce, consumption and conservation; or, an REI shopper camps in the forest, does anyone notice?". Geoforum. 45: 325–336. doi:10.1016/j.geoforum.2012.11.022.
Turner, James Morton (July 2002). "From Woodcraft to 'Leave No Trace': Wilderness, Consumerism, and Environmentalism in Twentieth-Century America". Environmental History. 7 (3): 462–484. doi:10.2307/3985918. JSTOR3985918. S2CID133079776.
Turner, James Morton (July 2002). "From Woodcraft to 'Leave No Trace': Wilderness, Consumerism, and Environmentalism in Twentieth-Century America". Environmental History. 7 (3): 462–484. doi:10.2307/3985918. JSTOR3985918. S2CID133079776.