Campbell, D. (2013). The Leader's Code. Random House.
Chicago-čujuhus (17. p.)Campbell, Donovan. The Leader's Code. New york: Random House, 2013.
MLA-čujuhus (9. p.)Campbell, Donovan. The Leader's Code. Random House, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.