Cita APA (7th ed.)

Phillips, H. R., & Bostian, P. (2021). The purposeful argument: A practical guide (Third Edition.). Cengage Learning.

Cita Chicago (17th ed.)

Phillips, Harry R., i Patricia Bostian. The Purposeful Argument: A Practical Guide. Third Edition. Boston, MA: Cengage Learning, 2021.

Cita MLA (9th ed.)

Phillips, Harry R., i Patricia Bostian. The Purposeful Argument: A Practical Guide. Third Edition. Cengage Learning, 2021.