Gruenewald, P. J., & Gruenewald, P. J. (1997). Measuring community indicators: A systems approach to drug and alcohol problems. Thousand Oaks: SAGE.
Citación estilo ChicagoGruenewald, Paul J., y Paul J. Gruenewald. Measuring Community Indicators: A Systems Approach to Drug and Alcohol Problems. Thousand Oaks: SAGE, 1997.
Cita MLAGruenewald, Paul J., y Paul J. Gruenewald. Measuring Community Indicators: A Systems Approach to Drug and Alcohol Problems. Thousand Oaks: SAGE, 1997.
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