Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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