Beresford-Peirse, H. (1968). Forests food and people. Food and Agriculture Organization of the United Nations.
Citazione stile Chigago Style (17a edizione)Beresford-Peirse, Henry. Forests Food and People. Rome: Food and Agriculture Organization of the United Nations, 1968.
Citatione MLA (9a ed.)Beresford-Peirse, Henry. Forests Food and People. Food and Agriculture Organization of the United Nations, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.