Lua APA (7ú heag.)
Cohen, J. E. (1997). Presidential responsiveness and public policy-making: The public and the policies that presidents choose. University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)
Cohen, Jeffrey E. Presidential Responsiveness and Public Policy-making: The Public and the Policies That Presidents Choose. Ann Arbor: University of Michigan Press, 1997.
Lua MLA (9ú heag.)
Cohen, Jeffrey E. Presidential Responsiveness and Public Policy-making: The Public and the Policies That Presidents Choose. University of Michigan Press, 1997.
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