Cita APA (7th ed.)

Butterfield, J. (2018). Soft Skills for Everyone. Cengage Learning.

Cita Chicago (17th ed.)

Butterfield, Jeff. Soft Skills for Everyone. Delhi: Cengage Learning, 2018.

Cita MLA (9th ed.)

Butterfield, Jeff. Soft Skills for Everyone. Cengage Learning, 2018.