Traub, L. G., & Sigman, H. (2007). "Cooperative federalism" as a strategic interaction: Voluntary decentralization in environmental policy. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Traub, Leah G., und Hilary Sigman. "Cooperative Federalism" as a Strategic Interaction: Voluntary Decentralization in Environmental Policy. Cambridge, Mass: National Bureau of Economic Research, 2007.
MLA-Zitierstil (9. Ausg.)Traub, Leah G., und Hilary Sigman. "Cooperative Federalism" as a Strategic Interaction: Voluntary Decentralization in Environmental Policy. National Bureau of Economic Research, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.