APA (7th ed.) Zitazioa

(1970). Agricultural policy and food self-: Sufficiency. Associated.

Chicago Style (17th ed.) Zitazioa

Agricultural Policy and Food Self-: Sufficiency. New Delhi: Associated, 1970.

MLA (9th ed.) Zitazioa

Agricultural Policy and Food Self-: Sufficiency. Associated, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.