Radu, C. (2003). Implementing electronic card payment systems. Artech House.
芝加哥风格引文Radu, Cristian. Implementing Electronic Card Payment Systems. Boston: Artech House, 2003.
MLA引文Radu, Cristian. Implementing Electronic Card Payment Systems. Artech House, 2003.
警告：这些引文格式不一定是100％准确.