Schuman, H., & Fresser, S. (1981). Questions and answers in attitude surveys: Experiments on question form, wording, and contetext. Academic Press.
Citace podle Chicago (17th ed.)Schuman, Howard, a Stanlley Fresser. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording, and Contetext. Academic Press, 1981.
Citace podle MLA (8th ed.)Schuman, Howard, a Stanlley Fresser. Questions and Answers in Attitude Surveys: Experiments on Question Form, Wording, and Contetext. Academic Press, 1981.
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