Armstrong, M. (2008). How to manage people. Kogan Page.
Cita Chicago (17th ed.)Armstrong, Michael. How to Manage People. London ; Philadelphia: Kogan Page, 2008.
Cita MLA (9th ed.)Armstrong, Michael. How to Manage People. Kogan Page, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.