Badein, M. A. (1981). The Acheulian industries in Africa. [s.n.].
Chicagoスタイル(17版)引用形式Badein, Mohamed Ahmed. The Acheulian Industries in Africa. Hamburg: [s.n.], 1981.
MLA(8版)引用形式Badein, Mohamed Ahmed. The Acheulian Industries in Africa. [s.n.], 1981.
警告: この引用は必ずしも正確ではありません.