Armstrong Michael. (2009). How to be an even better manager/7e (7th ed.). Kogan page.
Chicago Edition CitationArmstrong Michael. How to Be an Even Better Manager/7e. 7th ed. New Delhi: Kogan page, 2009.
Cita MLAArmstrong Michael. How to Be an Even Better Manager/7e. 7th ed. Kogan page, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.