Cita APA (7th ed.)

Olsen, W. (2012). Data Collection: Key debates and methods in social research. Sage.

Cita Chicago (17th ed.)

Olsen, Wendy. Data Collection: Key Debates and Methods in Social Research. Los Angeles: Sage, 2012.

Cita MLA (9th ed.)

Olsen, Wendy. Data Collection: Key Debates and Methods in Social Research. Sage, 2012.