Παραπομπή σε μορφή APA (7η εκδ.)

Friebe, C. (2014). Diffusion of renewable energy technologies: Private sector perspectives on emerging markets. PL Academic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Friebe, Christian. Diffusion of Renewable Energy Technologies: Private Sector Perspectives on Emerging Markets. Frankfurt am Main, [Germany]: PL Academic Research, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Friebe, Christian. Diffusion of Renewable Energy Technologies: Private Sector Perspectives on Emerging Markets. PL Academic Research, 2014.