Meadows, D. H., Meadows, D. L., & Randers, J. (1992). Beyond the limits: Global collapse or a sustainable future. Earthscan Publications.
Cita Chicago (17th ed.)Meadows, Donella H., Dennis L. Meadows, i Jorgen Randers. Beyond the Limits: Global Collapse or a Sustainable Future. London: Earthscan Publications, 1992.
Cita MLA (9th ed.)Meadows, Donella H., et al. Beyond the Limits: Global Collapse or a Sustainable Future. Earthscan Publications, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.