Tai Jacky. (2009). Killer differentiators. Westland.
Chicago-čujuhus (17. p.)Tai Jacky. Killer Differentiators. India: Westland, 2009.
MLA-čujuhus (9. p.)Tai Jacky. Killer Differentiators. Westland, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.