Jasay, A. D. (1989). Social contract, free ride: Study of the public-goods problem. Oxfod University Press.
Chicagoスタイル(17版)引用形式Jasay, Anthony De. Social Contract, Free Ride: Study of the Public-goods Problem. New York: Oxfod University Press, 1989.
MLA(9版)引用形式Jasay, Anthony De. Social Contract, Free Ride: Study of the Public-goods Problem. Oxfod University Press, 1989.
警告: この引用は必ずしも正確ではありません.