Παραπομπή APA
European Commission. (2003). Second benchmarking report on the implementation of the internal electricity and gas market: (updated report incorporating candidate countries). Luxembourg: OOPEC.
Παραπομπή Chicago StyleEuropean Commission. Second Benchmarking Report On the Implementation of the Internal Electricity and Gas Market: (updated Report Incorporating Candidate Countries). Luxembourg: OOPEC, 2003.
Παραπομπή MLAEuropean Commission. Second Benchmarking Report On the Implementation of the Internal Electricity and Gas Market: (updated Report Incorporating Candidate Countries). Luxembourg: OOPEC, 2003.
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