World Prehistory & the Development of Human Societies", Thames & Hudson: Londen 2005, ISBN 0-500-28531-4.::chapter 7, Higham, Charles, 'East Asian Agriculture and Its Impact', p.234-264.
World Prehistory & the Development of Human Societies", Thames & Hudson: Londen 2005, ISBN 0-500-28531-4.:: chapter 7, Higham, Charles, 'East Asian Agriculture and Its Impact', p.234-264.