Bulmer, M., Sturgis, P. J., & Allum, N. (2009). Secondary analysis of survey data. Sage.
Chicago Edition CitationBulmer, Martin.,ed, Patrick J.,ed Sturgis, i Nick.,ed Allum. Secondary Analysis of Survey Data. London: Sage, 2009.
Cita MLABulmer, Martin.,ed, et al. Secondary Analysis of Survey Data. Sage, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.