Butterfield, J. (2018). Soft Skills for Everyone. Cengage Learning.
Chicagoスタイル(17版)引用形式Butterfield, Jeff. Soft Skills for Everyone. Delhi: Cengage Learning, 2018.
MLA(9版)引用形式Butterfield, Jeff. Soft Skills for Everyone. Cengage Learning, 2018.
警告: この引用は必ずしも正確ではありません.