余长保. (2010). 三句话打动他人心: Three sentences touched people's hearts. 北京理工大学出版社.
Chicagoスタイル(17版)引用形式余长保. 三句话打动他人心: Three Sentences Touched People's Hearts. 北京理工大学出版社, 2010.
MLA(8版)引用形式余长保. 三句话打动他人心: Three Sentences Touched People's Hearts. 北京理工大学出版社, 2010.
警告: この引用は必ずしも正確ではありません.