APA استشهاد

Dye,Thomas R. (1978). Understanding public policy (3.). Prentice Hall Inc.

استشهاد بنمط شيكاغو

Dye,Thomas R. Understanding Public Policy. 3. Englewood Cliffs: Prentice Hall Inc, 1978.

MLA استشهاد

Dye,Thomas R. Understanding Public Policy. 3. Prentice Hall Inc, 1978.