Serageldin, I., & Younis, A. S. (1996). Effective financing of environmentally sustainable development. World bank.
Chicago Style aipamenaSerageldin, Ismail, and Alfredo Sfeir Younis. Effective Financing of Environmentally Sustainable Development. Washington: World bank, 1996.
MLA aipamenaSerageldin, Ismail, and Alfredo Sfeir Younis. Effective Financing of Environmentally Sustainable Development. World bank, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.