Sherfield Robert M. Cornerstone Developing Soft Skills (4th.). Pearson.
Chicagoスタイル(17版)引用形式Sherfield Robert M. Cornerstone Developing Soft Skills. 4th. Delhi Delhi: Pearson.
MLA(9版)引用形式Sherfield Robert M. Cornerstone Developing Soft Skills. 4th. Pearson.
警告: この引用は必ずしも正確ではありません.