Dyfyniad APA

ebrary, Inc, Karlsen, R. W., & Pettyfer, M. A. (2011). Monopolies: Theory, effectiveness and regulation. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, Robert W. Karlsen, and Michael A. Pettyfer. Monopolies: Theory, Effectiveness and Regulation. Hauppauge, N.Y.: Nova Science Publishers, 2011.

Dyfyniad MLA

ebrary, Inc, et al. Monopolies: Theory, Effectiveness and Regulation. Nova Science Publishers, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.