Não informado. (2007). Policy evaluation. Policy Studies Organization.
Chicagoスタイル(17版)引用形式Não informado. Policy Evaluation. Urbana, Ill: Policy Studies Organization, 2007.
MLA(8版)引用形式Não informado. Policy Evaluation. Policy Studies Organization, 2007.
警告: この引用は必ずしも正確ではありません.