Cita APA (7th ed.)

Meadows, D. H., & Wright, D. (2008). Thinking in systems: A primer. Chelsea Green Pub..

Cita Chicago (17th ed.)

Meadows, Donella H., i Diana Wright. Thinking in Systems: A Primer. White River Junction, Vt.: Chelsea Green Pub., 2008.

Cita MLA (8th ed.)

Meadows, Donella H., i Diana Wright. Thinking in Systems: A Primer. Chelsea Green Pub., 2008.