Dyfyniad APA

Kosack. From the Ground Up. Brookings Institution Press.

Dyfyniad Arddull Chicago

Kosack. From the Ground Up. Brookings Institution Press.

Dyfyniad MLA

Kosack. From the Ground Up. Brookings Institution Press.

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