Portney, K. E. (1986). Approaching public policy analysis: An introduction to policy and program research. Prentice-Hall.
Style de citation Chicago (17e éd.)Portney, Kent E. Approaching Public Policy Analysis: An Introduction to Policy and Program Research. Englewood Cliffs, N.J: Prentice-Hall, 1986.
Style de citation MLA (9e éd.)Portney, Kent E. Approaching Public Policy Analysis: An Introduction to Policy and Program Research. Prentice-Hall, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.