Citazione Stile APA (7a Edizione)

Phillips, H. R., & Bostian, P. (2015). The purposeful argument: A practical guide (Brief Second edition.). Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Phillips, Harry R., e Patricia Bostian. The Purposeful Argument: A Practical Guide. Brief Second edition. Stamford, CT: Cengage Learning, 2015.

Citatione MLA (9a ed.)

Phillips, Harry R., e Patricia Bostian. The Purposeful Argument: A Practical Guide. Brief Second edition. Cengage Learning, 2015.