Kümmel, R. (2011). The second law of economics: Energy, entropy, and the origins of wealth. Springer.
Chicago-referens (17:e uppl.)Kümmel, Reiner. The Second Law of Economics: Energy, Entropy, and the Origins of Wealth. New York, NY: Springer, 2011.
MLA-referens (9:e uppl.)Kümmel, Reiner. The Second Law of Economics: Energy, Entropy, and the Origins of Wealth. Springer, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.