Adair, J. E. (2006). Leadership and motivation: The fifty-fifty rule and the eight key principles of motivating others. Kogan Page.
Čikaški stil citiranja (17. izdanje)Adair, John Eric. Leadership and Motivation: The Fifty-fifty Rule and the Eight Key Principles of Motivating Others. London ; Philadelphia: Kogan Page, 2006.
MLA način citiranja (9. izdanje)Adair, John Eric. Leadership and Motivation: The Fifty-fifty Rule and the Eight Key Principles of Motivating Others. Kogan Page, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.