Παραπομπή σε μορφή APA (7η εκδ.)

Gassner, K., Popov, A. A., & Pushak, N. (2009). Does private sector participation improve performance in electricity and water distribution? World Bank : Public-Private Infrastructure Advisory Facility.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gassner, Katharina, Alexander A. Popov, και Nataliya Pushak. Does Private Sector Participation Improve Performance in Electricity and Water Distribution? Washington, DC: World Bank : Public-Private Infrastructure Advisory Facility, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gassner, Katharina, et al. Does Private Sector Participation Improve Performance in Electricity and Water Distribution? World Bank : Public-Private Infrastructure Advisory Facility, 2009.