Dr Mathew Humphrey, School of Politics and International Relations, University of Nottingham (15. august 2013). «Green Ideology». The Oxford Handbook of Political Ideologies (på engelsk). doi:10.1093/oxfordhb/9780199585977.001.0001/oxfordhb-9780199585977-e-011. Henta 8. august 2020. «This chapter identifies four key commitments of green ideology—ecological restructuring, radical democratization, ecological law, and non-violence as a principle of action. It then examines whether these core principles effectively constrain the potential decontestations of other, adjacent principles.»
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Dr Mathew Humphrey, School of Politics and International Relations, University of Nottingham (15. august 2013). «Green Ideology». The Oxford Handbook of Political Ideologies (på engelsk). doi:10.1093/oxfordhb/9780199585977.001.0001/oxfordhb-9780199585977-e-011. Henta 8. august 2020. «This chapter identifies four key commitments of green ideology—ecological restructuring, radical democratization, ecological law, and non-violence as a principle of action. It then examines whether these core principles effectively constrain the potential decontestations of other, adjacent principles.»