APA (7th ed.) Zitazioa

(1992). Birla Economic Research Foundation. Economic Research Division: Birla Economic Research Foundation. Allied.

Chicago Style (17th ed.) Zitazioa

Birla Economic Research Foundation. Economic Research Division: Birla Economic Research Foundation. New Delhi.: Allied, 1992.

MLA (9th ed.) Zitazioa

Birla Economic Research Foundation. Economic Research Division: Birla Economic Research Foundation. Allied, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.