APA (7th ed.) Zitazioa

(1990). Debt survey of developing countries. Westview Pr.

Chicago Style (17th ed.) Zitazioa

Debt Survey of Developing Countries. Boulder, Colo: Westview Pr, 1990.

MLA (9th ed.) Zitazioa

Debt Survey of Developing Countries. Westview Pr, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.