Sharp, L. (2021). the habit of excellence: Why british army leadership works. Penguin Business,.
Cita Chicago (17th ed.)Sharp, Langley. The Habit of Excellence: Why British Army Leadership Works. London: Penguin Business,, 2021.
Cita MLA (9th ed.)Sharp, Langley. The Habit of Excellence: Why British Army Leadership Works. Penguin Business,, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.