Barber, A. (1993). Sheffield parks regeneration strategy: A strategy for the future management of the 'inner-city' parks and open spaces in Sheffield. Sheffield: Sheffield City Wildlife Trust.
Παραπομπή Chicago StyleBarber, Alan. Sheffield Parks Regeneration Strategy: A Strategy for the Future Management of the 'inner-city' Parks and Open Spaces in Sheffield. Sheffield: Sheffield City Wildlife Trust, 1993.
Παραπομπή MLABarber, Alan. Sheffield Parks Regeneration Strategy: A Strategy for the Future Management of the 'inner-city' Parks and Open Spaces in Sheffield. Sheffield: Sheffield City Wildlife Trust, 1993.
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