Dyfyniad APA

Robinson, C. (1971). Competition for fuel. Institute of Economic Affairs.

Dyfyniad Arddull Chicago

Robinson, Colin. Competition for Fuel. London: Institute of Economic Affairs, 1971.

Dyfyniad MLA

Robinson, Colin. Competition for Fuel. Institute of Economic Affairs, 1971.

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