Cita APA (7th ed.)

Lewicki, R. J., Barry, B., & Saunders, D. M. (2020). Negotiation (Eight edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

Lewicki, Roy J., Bruce Barry, i David M. Saunders. Negotiation. Eight edition. New York, N.Y: McGraw-Hill Education, 2020.

Cita MLA (9th ed.)

Lewicki, Roy J., et al. Negotiation. Eight edition. McGraw-Hill Education, 2020.