Marshall, R. C., & Marx, L. M. (2012). The economics of collusion: Cartels and bidding rings (1a. ed.). MIT.
Dyfyniad Arddull ChicagoMarshall, Robert C., and Leslie M. Marx. The Economics of Collusion: Cartels and Bidding Rings. 1a. ed. Cambridge: MIT, 2012.
Dyfyniad MLAMarshall, Robert C., and Leslie M. Marx. The Economics of Collusion: Cartels and Bidding Rings. 1a. ed. MIT, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.