Dyfyniad APA

Robert R. Mayer & Ernest Greenwood. (1980). The Design of Social Policy Research.

Dyfyniad Arddull Chicago

Robert R. Mayer & Ernest Greenwood. The Design of Social Policy Research. Prentice Hall,New Jersy, 1980.

Dyfyniad MLA

Robert R. Mayer & Ernest Greenwood. The Design of Social Policy Research. 1980.

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