Dunstan, Richard (2 Dec 2009). "Unreasonable Demands?"(PDF). Citizens Advice Bureau. Archived from the original(PDF) on 6 May 2014. Retrieved 5 June 2017.
Dunstan, Richard (2 Dec 2009). "Unreasonable Demands?"(PDF). Citizens Advice Bureau. Archived from the original(PDF) on 6 May 2014. Retrieved 5 June 2017.