Cita APA (7a ed.)

Nagel, S. S. (1999). Policy analysis methods. Nova Science.

Cita Chicago Style (17a ed.)

Nagel, Stuart S. Policy Analysis Methods. Commack, New York: Nova Science, 1999.

Cita MLA (9a ed.)

Nagel, Stuart S. Policy Analysis Methods. Nova Science, 1999.

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