APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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