Spano, R. (2006). Observer behavior as a potential source of reactivity: Describing and quantifying observer effects in a large-scale observational study of police. Sociological methods and research, 34(4), 521-553. doi:10.1177/0049124106286331
Cita Chicago Style (17a ed.)Spano, Richard. "Observer Behavior as a Potential Source of Reactivity: Describing and Quantifying Observer Effects in a Large-scale Observational Study of Police." Sociological Methods and Research 34, no. 4 (2006): 521-553. https://doi.org/10.1177/0049124106286331.
Cita MLA (9a ed.)Spano, Richard. "Observer Behavior as a Potential Source of Reactivity: Describing and Quantifying Observer Effects in a Large-scale Observational Study of Police." Sociological Methods and Research, vol. 34, no. 4, 2006, pp. 521-553, https://doi.org/10.1177/0049124106286331.