Dyfyniad APA

(2009). Social policy: Issues and developments. Pearson Prentice-Hall.

Dyfyniad Arddull Chicago

Social Policy: Issues and Developments. Pearson Prentice-Hall, 2009.

Dyfyniad MLA

Social Policy: Issues and Developments. Pearson Prentice-Hall, 2009.

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