Dyfyniad APA

Thissen, W. A. H., & Walker, W. E. (2013). Public policy analysis: New developments. Springer Verlag.

Dyfyniad Arddull Chicago

Thissen, Wil A. H., and Warren E. Walker. Public Policy Analysis: New Developments. New York; London: Springer Verlag, 2013.

Dyfyniad MLA

Thissen, Wil A. H., and Warren E. Walker. Public Policy Analysis: New Developments. Springer Verlag, 2013.

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