O'Loan, Sara; Poulter, Alan; McMenemy, David (2005), The Extent of Sectarianism Online(PDF), Glasgow: University of Strathclyde, pp. 108–9, archived from the original(PDF) on 3 March 2016
O'Loan, Sara; Poulter, Alan; McMenemy, David (2005), The Extent of Sectarianism Online(PDF), Glasgow: University of Strathclyde, pp. 108–9, archived from the original(PDF) on 3 March 2016