Dyfyniad APA

Buchanan, J. m. (1968). Demand and Supply of Public Goods. Rand McNally.

Dyfyniad Arddull Chicago

Buchanan, James m. Demand and Supply of Public Goods. Chicago: Rand McNally, 1968.

Dyfyniad MLA

Buchanan, James m. Demand and Supply of Public Goods. Rand McNally, 1968.

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