Cita APA (7a ed.)

(2004). Decades of leadership: 40 years of Egon Zehnder International. Egon Zehnder International.

Cita Chicago Style (17a ed.)

Decades of Leadership: 40 Years of Egon Zehnder International. Düssedorf: Egon Zehnder International, 2004.

Cita MLA (9a ed.)

Decades of Leadership: 40 Years of Egon Zehnder International. Egon Zehnder International, 2004.