Παραπομπή σε μορφή APA (7η εκδ.)

Food and Agriculture Organization of the United Nations. (2007). The state of food and agriculture: Paying farmers for environmental services. Food and Agriculture Organization of the United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Food and Agriculture Organization of the United Nations. The State of Food and Agriculture: Paying Farmers for Environmental Services. Rome: Food and Agriculture Organization of the United Nations, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Food and Agriculture Organization of the United Nations. The State of Food and Agriculture: Paying Farmers for Environmental Services. Food and Agriculture Organization of the United Nations, 2007.