Dutschke, M., Michaelowa, A., & Stronzik, M. (1998). Tightening the System: Central Allocation of Emission Rights.
Lua i Stíl Chicago (17ú heag.)Dutschke, Michael, Axel Michaelowa, agus Marcus Stronzik. Tightening the System: Central Allocation of Emission Rights. Hamburg, 1998.
Lua MLA (8ú heag.)Dutschke, Michael, et al. Tightening the System: Central Allocation of Emission Rights. 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.