Cita APA (7th ed.)

Welch, J., & Welch, S. (2005). Winning (First International Edition.). HarperBusiness.

Cita Chicago (17th ed.)

Welch, Jack, i Suzy Welch. Winning. First International Edition. New York: HarperBusiness, 2005.

Cita MLA (9th ed.)

Welch, Jack, i Suzy Welch. Winning. First International Edition. HarperBusiness, 2005.