Deismireacht APA

De Vaus, D. A. (2011). Research design in social research. SAGE.

Chicago Edition Citation

De Vaus, D. A. Research Design in Social Research. London ; Thousand Oaks, Calif.: SAGE, 2011.

Deismireacht MLA

De Vaus, D. A. Research Design in Social Research. SAGE, 2011.

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