APA-referens (7:e uppl.)
Ahbe, S., Weihofen, S., & Wellge, S. (2018). The Ecological Scarcity Method for the European Union: A Volkswagen Research Initiative: Environmental Assessments. Springer Fachmedien Wiesbaden : Imprint: Springer. https://doi.org/10.1007/978-3-658-19506-9
Chicago-referens (17:e uppl.)
Ahbe, Stephan, Simon Weihofen, och Steffen Wellge. The Ecological Scarcity Method for the European Union: A Volkswagen Research Initiative: Environmental Assessments. Wiesbaden: Springer Fachmedien Wiesbaden : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-658-19506-9.
MLA-referens (9:e uppl.)
Ahbe, Stephan, et al. The Ecological Scarcity Method for the European Union: A Volkswagen Research Initiative: Environmental Assessments. Springer Fachmedien Wiesbaden : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-658-19506-9.
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