Richards, P. (1985). Indigenous agriculture revolution: Ecology and food production in West Africa. Hutchinson.
Chicagoスタイル(17版)引用形式Richards, Paul. Indigenous Agriculture Revolution: Ecology and Food Production in West Africa. London: Hutchinson, 1985.
MLA(9版)引用形式Richards, Paul. Indigenous Agriculture Revolution: Ecology and Food Production in West Africa. Hutchinson, 1985.
警告: この引用は必ずしも正確ではありません.