COVEY, S. THE 7 HABITS OF HIGHLY EFFECTIVE TEENS.
Chicagoスタイル(17版)引用形式COVEY, SEAN. THE 7 HABITS OF HIGHLY EFFECTIVE TEENS.
MLA(9版)引用形式COVEY, SEAN. THE 7 HABITS OF HIGHLY EFFECTIVE TEENS.
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APA(7版)引用形式