Jones, C. O. (1970). An introduction to the study of public policy. Wadsworth Pub. Co..
Cita Chicago (17th ed.)Jones, Charles O. An Introduction to the Study of Public Policy. Belmont, Calif.: Wadsworth Pub. Co., 1970.
Cita MLA (9th ed.)Jones, Charles O. An Introduction to the Study of Public Policy. Wadsworth Pub. Co., 1970.
Atenció: Aquestes cites poden no estar 100% correctes.