English Nature (2003) Accessible natural greenspace – Standards in towns and cities, Report No. 526.

English Nature et al, Delivering sustainable communities – a joint statement on the need for green infrastructure in Milton Keynes and South Midlands, February 2004.

Hough,M (1995) Cities and natural process, Routledge and Safe City Committee of Toronto (1992) A working guide for planning and designing safer urban environments, Toronto: Safe City Committee and the Planning and Development Committee.

Llewelyn Davies and Greater London Authority (2001) Guidance on producing open space strategies and Llewelyn-Davies (2000) Urban design compendium, English Partnerships and the Housing Corporation