Piaget, J. (1929). The child's conception of the world. Routledge & K. Paul.
Chicagoスタイル(17版)引用形式Piaget, Jean. The Child's Conception of the World. London: Routledge & K. Paul, 1929.
MLA(9版)引用形式Piaget, Jean. The Child's Conception of the World. Routledge & K. Paul, 1929.
警告: この引用は必ずしも正確ではありません.