Smith, R. National parks of Britain: Dartmoor, Exmoor, New Forest, The Broads, Peak District, Yorkshire Dales, North York Moors, Lake District, Northumberland, Pembrokeshire Coast, Brecon Beacons, Snowdonia, Loch Lomond and the Trossachs, Cairngorms.
芝加哥风格引文Smith, Roland. National Parks of Britain: Dartmoor, Exmoor, New Forest, The Broads, Peak District, Yorkshire Dales, North York Moors, Lake District, Northumberland, Pembrokeshire Coast, Brecon Beacons, Snowdonia, Loch Lomond and the Trossachs, Cairngorms. Basingstoke : Automobile Association, 2008.
MLA引文Smith, Roland. National Parks of Britain: Dartmoor, Exmoor, New Forest, The Broads, Peak District, Yorkshire Dales, North York Moors, Lake District, Northumberland, Pembrokeshire Coast, Brecon Beacons, Snowdonia, Loch Lomond and the Trossachs, Cairngorms.