Mangione, T. W. (1995). Mail surveys: Improving the quality. Sage.
Cita Chicago Style (17a ed.)Mangione, Thomas W. Mail Surveys: Improving the Quality. Thousand Oaks, California [etc.]: Sage, 1995.
Cita MLA (9a ed.)Mangione, Thomas W. Mail Surveys: Improving the Quality. Sage, 1995.
Precaución: Estas citas no son 100% exactas.