Fowler, F. J. (1993). Survey research methods (2nd ed.). Sage Publications.
Cita Chicago Style (17a ed.)Fowler, Floyd J. Survey Research Methods. 2nd ed. Newbury Park: Sage Publications, 1993.
Cita MLA (9a ed.)Fowler, Floyd J. Survey Research Methods. 2nd ed. Sage Publications, 1993.
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