Butterfield, J. (2017). Soft Skills for Everyone (2.). Cengage.
Chicagoスタイル(17版)引用形式Butterfield, Jeff. Soft Skills for Everyone. 2. New Delhi: Cengage, 2017.
MLA(9版)引用形式Butterfield, Jeff. Soft Skills for Everyone. 2. Cengage, 2017.
警告: この引用は必ずしも正確ではありません.