McNaughton, Maurice L.; Clarke, Brad, 'Springboard for crowdsourcing', ICT Update, vol. 69, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2012
International Food Policy Research Institute, 'International Food Policy Research Institute (IFPRI): Financial Statements for December 31, 2003 and 2002 with Independent Auditor's Report', International Food Policy Research Institute, Washington, DC, 2004