Cita APA (7a ed.)
Symposium : 1987 : United Kingdom. (1988). Protected landscapes. IUCN.
Cita Chicago Style (17a ed.)
Symposium : 1987 : United Kingdom. Protected Landscapes. United Kingdom: IUCN, 1988.
Cita MLA (9a ed.)
Symposium : 1987 : United Kingdom. Protected Landscapes. IUCN, 1988.
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