Case Karl E. (2018). Principles of Economics (12th.). Pearson.
Chicagoスタイル(17版)引用形式Case Karl E. Principles of Economics. 12th. Pearson, 2018.
MLA(9版)引用形式Case Karl E. Principles of Economics. 12th. Pearson, 2018.
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APA(7版)引用形式