Adair, J. E. (2006). Leadership and motivation: The fifty-fifty rule and the eight key principles of motivating others. Kogan Page.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAdair, John Eric. Leadership and Motivation: The Fifty-fifty Rule and the Eight Key Principles of Motivating Others. London ; Philadelphia: Kogan Page, 2006.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAdair, John Eric. Leadership and Motivation: The Fifty-fifty Rule and the Eight Key Principles of Motivating Others. Kogan Page, 2006.
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