Shell Ellen Ruppel. (2009). Cheap: High Cost of Discount Culture. Penguin Books.
Chicagoスタイル(17版)引用形式Shell Ellen Ruppel. Cheap: High Cost of Discount Culture. Penguin Books, 2009.
MLA(9版)引用形式Shell Ellen Ruppel. Cheap: High Cost of Discount Culture. Penguin Books, 2009.
警告: この引用は必ずしも正確ではありません.