APA (7th ed.) Zitazioa

Williams, D. L. (2014). Leaders at work. Wiley.

Chicago Style (17th ed.) Zitazioa

Williams, David L. Leaders at Work. [Somerset, New Jersey]: Wiley, 2014.

MLA (9th ed.) Zitazioa

Williams, David L. Leaders at Work. Wiley, 2014.