Dyfyniad APA

Donaldson, P. (1988). Understanding the British economy. New York: Penguin Books.

Dyfyniad Arddull Chicago

Donaldson, Peter. Understanding the British Economy. New York: Penguin Books, 1988.

Dyfyniad MLA

Donaldson, Peter. Understanding the British Economy. New York: Penguin Books, 1988.

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