Robin Sharma. Leadership Wisdom. Jaico Publishing House.
Chicago-čujuhus (17. p.)Robin Sharma. Leadership Wisdom. Jaico Publishing House.
MLA-čujuhus (9. p.)Robin Sharma. Leadership Wisdom. Jaico Publishing House.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.