SpringerLink (Online service), Gheorghe, A., & Muresan, L. (2011). Energy Security: International and Local Issues, Theoretical Perspectives, and Critical Energy Infrastructures. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Adrian Gheorghe, και Liviu Muresan. Energy Security: International and Local Issues, Theoretical Perspectives, and Critical Energy Infrastructures. Dordrecht: Springer Netherlands, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Energy Security: International and Local Issues, Theoretical Perspectives, and Critical Energy Infrastructures. Springer Netherlands, 2011.
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