Dyfyniad APA

Mayer,Robert R, & Greenwood,Ernest. (1980). The design of social policy research. Prentice Hall.

Dyfyniad Arddull Chicago

Mayer,Robert R, and Greenwood,Ernest. The Design of Social Policy Research. New Jersey: Prentice Hall, 1980.

Dyfyniad MLA

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

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