Chosen at random from all the resources listed:
- Principles of Systems by Jay W Forrester
- Systems Engineering: Coping With Complexity by Richard Stevens, Ken Jackson, Peter Brook, Stuart Arnold
- Thinking in Systems: A Primer by Donella H Meadows
- Management Systems: A Viable Approach by Maurice Yolles
- The Art of Systems Thinking: Essential Skills for Creativity and Problem Solving by Joseph O'Connor, Ian McDermott