1. Treasury Board of Canada Secretariat 2009 http://www.tbs-sct.gc.ca/pol/doc-eng.aspx?section5text&id515024
2. Treasury Board of Canada Secretariat 2011a http://www.tbs-sct.gc.ca/sr-es/faq-eng.asp
3. Treasury Board of Canada Secretariat 2011b http://www.tbs-sct.gc.ca/media/ps-dp/2011/0608-eng.asp