APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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