Chosen at random from all the resources listed:
- The Art of Systems Thinking: Essential Skills for Creativity and Problem Solving by Joseph O'Connor, Ian McDermott
- Systems Thinking Basics : From Concepts to Causal Loops by Virginia Anderson
- Soft Systems Methodology in Action by Jim Scholes, Peter B. Checkland
- TD866_3 Nature Matters: Systems Thinking and Experts by -- Uknown -- -- Uknown --
- Systems Engineering: An Approach to Information-Based Design by George A. Hazelrigg