Dyfyniad APA

Percy-Smith, J. (1996). Needs assessments in public policy. Open University Press.

Dyfyniad Arddull Chicago

Percy-Smith, Janie. Needs Assessments in Public Policy. Philadelphia: Open University Press, 1996.

Dyfyniad MLA

Percy-Smith, Janie. Needs Assessments in Public Policy. Open University Press, 1996.

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