Dyfyniad APA

Downs, A. (1957). An economic theory of democracy. Harper & Row.

Dyfyniad Arddull Chicago

Downs, Anthony. An Economic Theory of Democracy. New York: Harper & Row, 1957.

Dyfyniad MLA

Downs, Anthony. An Economic Theory of Democracy. Harper & Row, 1957.

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