Sharp, L. (2021). the habit of excellence: Why british army leadership works. Penguin Business,.
Tohutoru Kātū Chicago (17th ed.)Sharp, Langley. The Habit of Excellence: Why British Army Leadership Works. London: Penguin Business,, 2021.
Tohutoro MLA (9th ed.)Sharp, Langley. The Habit of Excellence: Why British Army Leadership Works. Penguin Business,, 2021.
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