Παραπομπή σε μορφή APA (7η εκδ.)

Polzin, F., von Flotow, P., & Nolden, C. (2016). Modes of governance for municipal energy efficiency services – the case of LED street lighting in Germany. Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Polzin, F., P. von Flotow, και C. Nolden. Modes of Governance for Municipal Energy Efficiency Services – the Case of LED Street Lighting in Germany. Elsevier, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Polzin, F., et al. Modes of Governance for Municipal Energy Efficiency Services – the Case of LED Street Lighting in Germany. Elsevier, 2016.