(2002). Droughts, food and culture: Ecological change and food security in Africa's later prehistory. Kluwer Plenum.
Cita Chicago (17th ed.)Droughts, Food and Culture: Ecological Change and Food Security in Africa's Later Prehistory. New York: Kluwer Plenum, 2002.
Cita MLA (9th ed.)Droughts, Food and Culture: Ecological Change and Food Security in Africa's Later Prehistory. Kluwer Plenum, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.