APA ציטוט

Olsen, W. (2011). Data collection: Key debates & methods in social research. SAGE Publications.

Chicago Edition Citation

Olsen, Wendy. Data Collection: Key Debates & Methods in Social Research. Thousand Oaks, CA: SAGE Publications, 2011.

ציטוט MLA

Olsen, Wendy. Data Collection: Key Debates & Methods in Social Research. SAGE Publications, 2011.