Christensen, C. M. (2012). How Will You Measure Your Life? (1 st.). Harper Collins.
Chicagoスタイル(17版)引用形式Christensen, Clayton M. How Will You Measure Your Life? 1 st. Harper Collins, 2012.
MLA(9版)引用形式Christensen, Clayton M. How Will You Measure Your Life? 1 st. Harper Collins, 2012.
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