ebrary, Inc, Karlsen, R. W., & Pettyfer, M. A. (2011). Monopolies: Theory, effectiveness and regulation. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, Robert W. Karlsen, 与 Michael A. Pettyfer. Monopolies: Theory, Effectiveness and Regulation. Hauppauge, N.Y.: Nova Science Publishers, 2011.
MLA引文ebrary, Inc, et al. Monopolies: Theory, Effectiveness and Regulation. Nova Science Publishers, 2011.
警告：这些引文格式不一定是100％准确.