Cita APA (7th ed.)

Welch, J., & Welch, S. (2015). Winning. Harper Collins Publishers.

Cita Chicago (17th ed.)

Welch, Jack, i Suzy Welch. Winning. London: Harper Collins Publishers, 2015.

Cita MLA (9th ed.)

Welch, Jack, i Suzy Welch. Winning. Harper Collins Publishers, 2015.