Grunfeld, N. Life Book: Laugh More, Love More, Play More, Earn More, The. Pearson Education UK.
Chicagoスタイル(17版)引用形式Grunfeld, Nina. Life Book: Laugh More, Love More, Play More, Earn More, The. Pearson Education UK.
MLA(8版)引用形式Grunfeld, Nina. Life Book: Laugh More, Love More, Play More, Earn More, The. Pearson Education UK.
警告: この引用は必ずしも正確ではありません.