Παραπομπή σε μορφή APA (7η εκδ.)

Roberts, J. (2007). Energy cooperation among the BSEC member states: Towards an energy strategy for the BSEC. ΔΙΚΕΜΕΠ.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roberts, John. Energy Cooperation Among the BSEC Member States: Towards an Energy Strategy for the BSEC. [Athens]: ΔΙΚΕΜΕΠ, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Roberts, John. Energy Cooperation Among the BSEC Member States: Towards an Energy Strategy for the BSEC. ΔΙΚΕΜΕΠ, 2007.