Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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