APA (7th ed.) Zitazioa

(1993). The urban environment and population relocation. The World Bank.

Chicago Style (17th ed.) Zitazioa

The Urban Environment and Population Relocation. Washington: The World Bank, 1993.

MLA (9th ed.) Zitazioa

The Urban Environment and Population Relocation. The World Bank, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.