Shepard, P. (1999). Encounters with nature: Essays. Washington, D.C: Island Press [for] Shearwater Books.
Trích dẫn kiểu ChicagoShepard, Paul. Encounters With Nature: Essays. Washington, D.C: Island Press [for] Shearwater Books, 1999.
Deismireacht MLAShepard, Paul. Encounters With Nature: Essays. Washington, D.C: Island Press [for] Shearwater Books, 1999.
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