Kerr, S. (1997). Ultimate Rewards. Harvard Business School Press.
Dyfyniad Arddull ChicagoKerr, Steven. Ultimate Rewards. Boston: Harvard Business School Press, 1997.
Dyfyniad MLAKerr, Steven. Ultimate Rewards. Harvard Business School Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.