SIBSON, R. E. (1976). Increasing employee productivity. Ama Com.
芝加哥风格引文SIBSON, Robert E. Increasing Employee Productivity. New York: Ama Com, 1976.
MLA引文SIBSON, Robert E. Increasing Employee Productivity. Ama Com, 1976.
警告：这些引文格式不一定是100％准确.
APA引文