Iyer, P. (2013). The Scret of leadership. Penguin Books.
Chicago-čujuhus (17. p.)Iyer, Prakash. The Scret of Leadership. New Delhi: Penguin Books, 2013.
MLA-čujuhus (9. p.)Iyer, Prakash. The Scret of Leadership. Penguin Books, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.