Spenley, P. (1995). Step change total quality: Achieving world class business performance (2nd ed.). Chapman & Hall.
芝加哥风格引文Spenley, Paul. Step Change Total Quality: Achieving World Class Business Performance. 2nd ed. London: Chapman & Hall, 1995.
MLA引文Spenley, Paul. Step Change Total Quality: Achieving World Class Business Performance. 2nd ed. Chapman & Hall, 1995.
警告：这些引文格式不一定是100％准确.