Παραπομπή σε μορφή APA (7η εκδ.)

Ahmed, K. (1994). Renewable energy technologies: A review of the status and costs of selected technologies. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ahmed, Kulsum. Renewable Energy Technologies: A Review of the Status and Costs of Selected Technologies. Washington, D.C: World Bank, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ahmed, Kulsum. Renewable Energy Technologies: A Review of the Status and Costs of Selected Technologies. World Bank, 1994.