Dyfyniad APA

Schumpeter, J. (1961). The theory of economic development. O.U.P. A Galaxy book.

Dyfyniad Arddull Chicago

Schumpeter, J. The Theory of Economic Development. New York: O.U.P. A Galaxy book, 1961.

Dyfyniad MLA

Schumpeter, J. The Theory of Economic Development. O.U.P. A Galaxy book, 1961.

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