Hussen, A. M. (2019). Principles of environmental economics and sustainability: An integrated economic & ecological approach (Fourth Edition.). Routledge.
Lua i Stíl Chicago (17ú heag.)Hussen, Ahmed M. Principles of Environmental Economics and Sustainability: An Integrated Economic & Ecological Approach. Fourth Edition. New York, NY: Routledge, 2019.
Lua MLA (8ú heag.)Hussen, Ahmed M. Principles of Environmental Economics and Sustainability: An Integrated Economic & Ecological Approach. Fourth Edition. Routledge, 2019.
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