ebrary, Inc, Sonderforschungsbereich 227--Prävention und Intervention im Kindes- und Jugendalter. International Symposium, Albrecht, G., & Otto, H. (1991). Social prevention and the social sciences: Theoretical controversies, research problems, and evaluation strategies. Walter de Gruyter.
芝加哥风格引文ebrary, Inc, Sonderforschungsbereich 227--Prävention und Intervention im Kindes- und Jugendalter. International Symposium, Günter Albrecht, 与 Hans-Uwe Otto. Social Prevention and the Social Sciences: Theoretical Controversies, Research Problems, and Evaluation Strategies. Berlin ; New York: Walter de Gruyter, 1991.
MLA引文ebrary, Inc, et al. Social Prevention and the Social Sciences: Theoretical Controversies, Research Problems, and Evaluation Strategies. Walter de Gruyter, 1991.