@unpublished{city2011city,
  title = {City of Johannesburg Integrated Waste Management Plan (2011)}
  author = {City of Johannesburg Metropolitan Municipality},
  url = {http://www.pikitup.co.za/wp-content/uploads/2015/10/City-of-Joburg-Integrated-Waste-Management-Plan-2011.pdf},
  year = {2011}
}