Dubnick, M. J. (1983). Thinking about public policy: A problem-solving approach. John Wiley and Sons.
Cita Chicago (17th ed.)Dubnick, Melvin J. Thinking About Public Policy: A Problem-solving Approach. New York: John Wiley and Sons, 1983.
Cita MLA (9th ed.)Dubnick, Melvin J. Thinking About Public Policy: A Problem-solving Approach. John Wiley and Sons, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.