Bickman, L., & Rog, D. J. (2009). The SAGE handbook of applied social research methods (2nd ed.). Sage.
Cita Chicago Style (17a ed.)Bickman, Leonard, y Debra J. Rog. The SAGE Handbook of Applied Social Research Methods. 2nd ed. Los Angeles: Sage, 2009.
Cita MLA (9a ed.)Bickman, Leonard, y Debra J. Rog. The SAGE Handbook of Applied Social Research Methods. 2nd ed. Sage, 2009.
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