1. W. Ashby, Ross: An Introduction to Cybernetics (Champman & Hall, London, 1956)
2. J.R. Boyd, A discourse on winning and losing. Air University Document MU43947, Briefing, 1, 1987
3. DoD, Information Security Manual (2015)
4. DoD, Australian Defence Force Publication 6.0.3 Information Assurance, 2nd edn. (2016)
5. DoD, CIOG presentations at DefenceWatch Briefing, 8 Sept 2016, Commonwealth Club Canberra, 2016