Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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