Dyfyniad APA

Grampp, W. D. (1961). Economic policy: Reading in political economy. R.D Irwin.

Dyfyniad Arddull Chicago

Grampp, William Dyer. Economic Policy: Reading in Political Economy. Homewood: R.D Irwin, 1961.

Dyfyniad MLA

Grampp, William Dyer. Economic Policy: Reading in Political Economy. R.D Irwin, 1961.

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