Charan, R. (2008). What the Customer Wants You to Know. Penguin Group.
Chicago-čujuhus (17. p.)Charan, Ram. What the Customer Wants You to Know. New Delhi: Penguin Group, 2008.
MLA-čujuhus (9. p.)Charan, Ram. What the Customer Wants You to Know. Penguin Group, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.