APA(7版)引用形式
Covey, S. R. (2004). The 7 habits of highly effective people. Pocket Books.
Chicagoスタイル(17版)引用形式
Covey, Stephen R. The 7 Habits of Highly Effective People. London: Pocket Books, 2004.
MLA(9版)引用形式
Covey, Stephen R. The 7 Habits of Highly Effective People. Pocket Books, 2004.
警告: この引用は必ずしも正確ではありません.