Sarndal, C. E. (1992). Model assisted survey sampling (1st edition.). Springer.
Cita Chicago (17th ed.)Sarndal, Carl Erik. Model Assisted Survey Sampling. 1st edition. New York: Springer, 1992.
Cita MLA (9th ed.)Sarndal, Carl Erik. Model Assisted Survey Sampling. 1st edition. Springer, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.