Tripodi, T., & Fellin, P. (1973). Social program evaluation: Guidelines for health, education, and welfare administrators. Itasca, Ill: F.E. Peacock.
Chicago-tyylinen lähdeviittausTripodi, Tony, ja Phillip Fellin. Social Program Evaluation: Guidelines for Health, Education, and Welfare Administrators. Itasca, Ill: F.E. Peacock, 1973.
MLA-viiteTripodi, Tony, ja Phillip Fellin. Social Program Evaluation: Guidelines for Health, Education, and Welfare Administrators. Itasca, Ill: F.E. Peacock, 1973.
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