Ring, I. (2011). Economic instruments for conservation policies in federal systems. Helmholtz Centre for Environmental Research, UFZ.
Chicago-Zitierstil (17. Ausg.)Ring, Irene. Economic Instruments for Conservation Policies in Federal Systems. Leipzig: Helmholtz Centre for Environmental Research, UFZ, 2011.
MLA-Zitierstil (9. Ausg.)Ring, Irene. Economic Instruments for Conservation Policies in Federal Systems. Helmholtz Centre for Environmental Research, UFZ, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.