Schuman, H., & Presser, S. (1996). Questions and answers in attitude surveys: Experiments on question form, wording, and context. Sage Publications.
Cita Chicago (17th ed.)Schuman, Howard, i Stanley Presser. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording, and Context. Thousand Oaks: Sage Publications, 1996.
Cita MLA (9th ed.)Schuman, Howard, i Stanley Presser. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording, and Context. Sage Publications, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.