APA (7th ed.) Zitazioa

FAO. (2012). FAO Statistical yearbook 2012: World food and agriculture. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Zitazioa

FAO. FAO Statistical Yearbook 2012: World Food and Agriculture. Roma: Food and Agriculture Organization of the United Nations, 2012.

MLA (9th ed.) Zitazioa

FAO. FAO Statistical Yearbook 2012: World Food and Agriculture. Food and Agriculture Organization of the United Nations, 2012.