Meadows, D. H., Meadows, D. L., & Randers, J. (1992). Beyond the limits: Confronting global collapse, envisioning a sustainable future. Chelsea Green Pub. Co..
Lua i Stíl Chicago (17ú heag.)Meadows, Donella H., Dennis L. Meadows, agus Jorgen Randers. Beyond the Limits: Confronting Global Collapse, Envisioning a Sustainable Future. Post Mills, Vt.: Chelsea Green Pub. Co., 1992.
Lua MLA (8ú heag.)Meadows, Donella H., et al. Beyond the Limits: Confronting Global Collapse, Envisioning a Sustainable Future. Chelsea Green Pub. Co., 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.