Dyfyniad APA
Knoepfel, P. (2007). Environmental Policy Analyses: Learning from the Past for the Future - 25 Years of Research. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-73149-8
Dyfyniad Arddull Chicago
Knoepfel, Peter. Environmental Policy Analyses: Learning from the Past for the Future - 25 Years of Research. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-73149-8.
Dyfyniad MLA
Knoepfel, Peter. Environmental Policy Analyses: Learning from the Past for the Future - 25 Years of Research. Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-73149-8.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.