Report of the IVth world congress on national parks and protected areas (10-21 February 1992). (1993). Parks for life. Francia: IUCN.
Citación estilo ChicagoReport of the IVth world congress on national parks and protected areas (10-21 February 1992). Parks for Life. Francia: IUCN, 1993.
Cita MLAReport of the IVth world congress on national parks and protected areas (10-21 February 1992). Parks for Life. Francia: IUCN, 1993.
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