Dye,Thomas R. (1978). Understanding public policy (3.). Prentice Hall Inc.
Chicago Edition CitationDye,Thomas R. Understanding Public Policy. 3. Englewood Cliffs: Prentice Hall Inc, 1978.
Cita MLADye,Thomas R. Understanding Public Policy. 3. Prentice Hall Inc, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.