Cita APA

Report of the IVth world congress on national parks and protected areas (10-21 February 1992). (1993). Parks for life. Francia: IUCN.

Citación estilo Chicago

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

Cita MLA

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