Fowler, F. J. (2002). Survey research methods (3rd ed.). Sage.
Cita Chicago Style (17a ed.)Fowler, Floyd J. Survey Research Methods. 3rd ed. Thousand Oaks, California [etc.]: Sage, 2002.
Cita MLA (9a ed.)Fowler, Floyd J. Survey Research Methods. 3rd ed. Sage, 2002.
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