Chapman, P. G. (1993). The economics of training. Harvester Wheatsheaf.
芝加哥风格引文Chapman, Paul G. The Economics of Training. New York: Harvester Wheatsheaf, 1993.
MLA引文Chapman, Paul G. The Economics of Training. Harvester Wheatsheaf, 1993.
警告:这些引文格式不一定是100%准确.