Παραπομπή APA
Institute of Energy for SE Europe. (2017). South East Europe Energy Outloοk 2016/2017: Institute of Energy for South - East Europe. Athens: IENE.
Παραπομπή Chicago StyleInstitute of Energy for SE Europe. South East Europe Energy Outloοk 2016/2017: Institute of Energy for South - East Europe. Athens: IENE, 2017.
Παραπομπή MLAInstitute of Energy for SE Europe. South East Europe Energy Outloοk 2016/2017: Institute of Energy for South - East Europe. Athens: IENE, 2017.
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