Clark, G. (1961). World prehistory: In new perspective (3rd ed.). C.U. Pr..
Chicagoスタイル(17版)引用形式Clark, Grahame. World Prehistory: In New Perspective. 3rd ed. Cambridge: C.U. Pr., 1961.
MLA(9版)引用形式Clark, Grahame. World Prehistory: In New Perspective. 3rd ed. C.U. Pr., 1961.
警告: この引用は必ずしも正確ではありません.