Dyfyniad APA

O'Hagan, J. W. (1991). The Economy of Ireland: Policy and performance (6th ed.). Dublin: Irish Management Institute.

Dyfyniad Arddull Chicago

O'Hagan, John William. The Economy of Ireland: Policy and Performance. 6th ed. Dublin: Irish Management Institute, 1991.

Dyfyniad MLA

O'Hagan, John William. The Economy of Ireland: Policy and Performance. 6th ed. Dublin: Irish Management Institute, 1991.

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