Duckworth, A. L. Self-Control and Academic Achievement. [article].
Chicagoスタイル(17版)引用形式Duckworth, Angela L. Self-Control and Academic Achievement. [article].
MLA(9版)引用形式Duckworth, Angela L. Self-Control and Academic Achievement. [article].
警告: この引用は必ずしも正確ではありません.