APA aipamena

(1993). World Development Report, 1993: Investing in Health. Oxford University.

Chicago Style aipamena

World Development Report, 1993: Investing in Health. New York: Oxford University, 1993.

MLA aipamena

World Development Report, 1993: Investing in Health. Oxford University, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.