Παραπομπή σε μορφή APA (7η εκδ.)

Kopp, S. (2015). Politics, Markets and EU Gas Supply Security: Case Studies of the UK and Germany. Springer Fachmedien Wiesbaden : Imprint: Springer VS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kopp, Sandu-Daniel. Politics, Markets and EU Gas Supply Security: Case Studies of the UK and Germany. Wiesbaden: Springer Fachmedien Wiesbaden : Imprint: Springer VS, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kopp, Sandu-Daniel. Politics, Markets and EU Gas Supply Security: Case Studies of the UK and Germany. Springer Fachmedien Wiesbaden : Imprint: Springer VS, 2015.