Παραπομπή APA

Sarndal, C., Swensson, B., & Wretman, J. (1992). Model assisted survey sampling. Springer- verlag.

Παραπομπή Chicago Style

Sarndal, Carl-Erik, Bengt Swensson, και Jan Wretman. Model Assisted Survey Sampling. New York: Springer- verlag, 1992.

Παραπομπή MLA

Sarndal, Carl-Erik, et al. Model Assisted Survey Sampling. Springer- verlag, 1992.