Cochran, William G. 1909-1980. Sampling techniques. [electronic resource] . — New York, : Wiley, [1953]. — 330 p. : illus. 24 cm. - Wiley publications in statistics.
Introduction -- Simple random sampling -- Sampling for proportions and percentages -- The estimation of sample size -- Stratified random sampling -- Further aspects of stratified sampling -- Ratio estimates -- Regression estimates -- Systematic sampling -- One-stage cluster sampling -- Subsampling with units of equal size -- Subsampling with units of unequal size -- Double sampling -- Sources of error in surveys.