Blanchard, K. H. (2003). The heart of a leader: Insights on the art of influence. Lighthouse Inspirational Books & Gifts.
Chicago-viite (17. p.)Blanchard, Kenneth H. The Heart of a Leader: Insights on the Art of Influence. Philippines: Lighthouse Inspirational Books & Gifts, 2003.
MLA-viite (9. p.)Blanchard, Kenneth H. The Heart of a Leader: Insights on the Art of Influence. Lighthouse Inspirational Books & Gifts, 2003.
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