Sadler, P. (2004). Leadership (2nd.). Kogan Page India.
Chicago-čujuhus (17. p.)Sadler, Philip. Leadership. 2nd. New Delhi: Kogan Page India, 2004.
MLA-čujuhus (9. p.)Sadler, Philip. Leadership. 2nd. Kogan Page India, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.