1.		Governance of recreation and tourism partnerships in parks and protected areas / P. F. J. Eagles Autor: Eagles, Paul F.J. COTA(S): RE-926
2.		Sustainable tourism in protected areas : guidelines for planning and management / Paul F. J. Eagles, Stephen F. McCool, Christopher D. Haynes Autor: Eagles, Paul F.J. Data Publicação: 2002 Coautor: McCool, Stephen F. Haynes, Christopher D. COTA(S): 9022