Pearman, R. (1999). Hard wired leadership. Jaico.
Chicago-čujuhus (17. p.)Pearman, Roger. Hard Wired Leadership. Mumbai: Jaico, 1999.
MLA-čujuhus (9. p.)Pearman, Roger. Hard Wired Leadership. Jaico, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.