Belson, W. A. (1981). The design and understanding of survey questions. Gower.
Cita Chicago Style (17a ed.)Belson, William A. The Design and Understanding of Survey Questions. Aldershot: Gower, 1981.
Cita MLA (8a ed.)Belson, William A. The Design and Understanding of Survey Questions. Gower, 1981.
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