Dyfyniad APA

Haskins, R., & Sawhill, I. (2009). Creating an opportunity society. Brookings Institution Press.

Dyfyniad Arddull Chicago

Haskins, Ron, và Isabel Sawhill. Creating an Opportunity Society. Brookings Institution Press, 2009.

Dyfyniad MLA

Haskins, Ron, và Isabel Sawhill. Creating an Opportunity Society. Brookings Institution Press, 2009.

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