Sarndal, C., Swensson, B., & Wretman, J. (1992). Model assisted survey sampling. Springer- verlag.
Chicago Edition CitationSarndal, Carl-Erik, Bengt Swensson, i Jan Wretman. Model Assisted Survey Sampling. New York: Springer- verlag, 1992.
Cita MLASarndal, Carl-Erik, et al. Model Assisted Survey Sampling. Springer- verlag, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.