International Conference on Measurement Errors in Surveys & Biemer, P. P. (1991). Measurement errors in surveys. Wiley.
Cita Chicago (17th ed.)International Conference on Measurement Errors in Surveys i Paul P. Biemer. Measurement Errors in Surveys. New York: Wiley, 1991.
Cita MLA (9th ed.)International Conference on Measurement Errors in Surveys i Paul P. Biemer. Measurement Errors in Surveys. Wiley, 1991.
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