Hansen, M. H., & Hurwitz, W. N. (1953). Sample Survey Methods and Theory: Methods and Applications (1st edition.). John Wiley.

Hansen, Morris H., and W. N. Hurwitz. Sample Survey Methods and Theory: Methods and Applications. 1st edition. New York: John Wiley, 1953.

Hansen, Morris H., and W. N. Hurwitz. Sample Survey Methods and Theory: Methods and Applications. 1st edition. John Wiley, 1953.