Kerr, S. (1997). Ultimate Rewards. Harvard Business School Press.
Chicago-čujuhus (17. p.)Kerr, Steven. Ultimate Rewards. Boston: Harvard Business School Press, 1997.
MLA-čujuhus (9. p.)Kerr, Steven. Ultimate Rewards. Harvard Business School Press, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.