Papandreou, A. G., & Wheeler, J. T. (1954). Competition and its regulation. Prentice-Hall.
Dyfyniad Arddull ChicagoPapandreou, Andreas G., and John Thomas Wheeler. Competition and Its Regulation. N.Y.: Prentice-Hall, 1954.
Dyfyniad MLAPapandreou, Andreas G., and John Thomas Wheeler. Competition and Its Regulation. Prentice-Hall, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.