Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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