"A fully referenced version of this article can be found at monbiot.com" suggests this is done already for those following the link.

If you do, he lists these :

References:

1. Anna Minton, ?2006. The privatisation of public space. The Royal Institution of Chartered Surveyors. http://www.annaminton.com/Privatepublicspace.pdf

2. http://www.liberty-human-rights.org.uk/media/articles/pdfs/a...

3. http://www.liberty-human-rights.org.uk/pdfs/policy13/liberty...

4. http://www.theguardian.com/society/2012/apr/17/protester-rec...

5. http://www.liberty-human-rights.org.uk/pdfs/policy13/liberty...

6. http://www.liberty-human-rights.org.uk/pdfs/policy13/liberty...

7. http://services.parliament.uk/bills/2013-14/antisocialbehavi...

8. http://www.publications.parliament.uk/pa/bills/lbill/2013-20...

9. See also: http://www.scriptonitedaily.com/2013/11/11/the-birth-of-a-po...

10. http://reformclause1.org.uk/files/opinion.pdf

11. http://www.theguardian.com/law/2013/dec/18/right-to-protest-...

12. By phone, 6th January 2013.

Various independent sources cited including Liberty - a well respected organization covering human rights issues in the UK. And of course, Parliament's own official publications of the bill.